Home / 16,164.19-22,317.57-11,915.74

Finding the Fourth Proportional to 16,164.19, 22,317.57 and 11,915.74

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Solution

The fourth proportional to 16,164.19, 22,317.57 and 11,915.74 is: 16,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,164.19 : 22,317.57 = 11,915.74 : x
  2. Step 2: Convert to fraction form
    16,164.19/22,317.57 = 11,915.74/x
  3. Step 3: Cross multiply
    16,164.19x = 22,317.57 × 11,915.74
  4. Step 4: Simplify right side
    16,164.19x = 265,930,301.97
  5. Step 5: Solve for x
    x = 265,930,301.97/16,164.19
  6. Step 6: Final answer
    x = 16,451.82

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Half scale
Find fourth proportional to 32,328.38, 44,635.13 and 23,831.48
Double scale
Find fourth proportional to 16,165.19, 22,318.95 and 11,916.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.