Home / 15,954.38-22,017.05-8,880.81

Finding the Fourth Proportional to 15,954.38, 22,017.05 and 8,880.81

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Solution

The fourth proportional to 15,954.38, 22,017.05 and 8,880.81 is: 12,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.38 : 22,017.05 = 8,880.81 : x
  2. Step 2: Convert to fraction form
    15,954.38/22,017.05 = 8,880.81/x
  3. Step 3: Cross multiply
    15,954.38x = 22,017.05 × 8,880.81
  4. Step 4: Simplify right side
    15,954.38x = 195,529,193.41
  5. Step 5: Solve for x
    x = 195,529,193.41/15,954.38
  6. Step 6: Final answer
    x = 12,255.52

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Half scale
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Double scale
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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.