Home / 14,744.28-22,116.42-5,385

Finding the Fourth Proportional to 14,744.28, 22,116.42 and 5,385

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Solution

The fourth proportional to 14,744.28, 22,116.42 and 5,385 is: 8,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.28 : 22,116.42 = 5,385 : x
  2. Step 2: Convert to fraction form
    14,744.28/22,116.42 = 5,385/x
  3. Step 3: Cross multiply
    14,744.28x = 22,116.42 × 5,385
  4. Step 4: Simplify right side
    14,744.28x = 119,096,921.70
  5. Step 5: Solve for x
    x = 119,096,921.70/14,744.28
  6. Step 6: Final answer
    x = 8,077.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.