Home / 16,831.71-23,214.13-14,810.76

Finding the Fourth Proportional to 16,831.71, 23,214.13 and 14,810.76

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Solution

The fourth proportional to 16,831.71, 23,214.13 and 14,810.76 is: 20,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.71 : 23,214.13 = 14,810.76 : x
  2. Step 2: Convert to fraction form
    16,831.71/23,214.13 = 14,810.76/x
  3. Step 3: Cross multiply
    16,831.71x = 23,214.13 × 14,810.76
  4. Step 4: Simplify right side
    16,831.71x = 343,818,871.01
  5. Step 5: Solve for x
    x = 343,818,871.01/16,831.71
  6. Step 6: Final answer
    x = 20,426.85

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Double scale
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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.