Home / 16,244.28-22,417.16-9,170.55

Finding the Fourth Proportional to 16,244.28, 22,417.16 and 9,170.55

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Solution

The fourth proportional to 16,244.28, 22,417.16 and 9,170.55 is: 12,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,244.28 : 22,417.16 = 9,170.55 : x
  2. Step 2: Convert to fraction form
    16,244.28/22,417.16 = 9,170.55/x
  3. Step 3: Cross multiply
    16,244.28x = 22,417.16 × 9,170.55
  4. Step 4: Simplify right side
    16,244.28x = 205,577,640.79
  5. Step 5: Solve for x
    x = 205,577,640.79/16,244.28
  6. Step 6: Final answer
    x = 12,655.39

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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.