Home / 16,402.28-22,635.20-9,329.20

Finding the Fourth Proportional to 16,402.28, 22,635.20 and 9,329.20

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Solution

The fourth proportional to 16,402.28, 22,635.20 and 9,329.20 is: 12,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.28 : 22,635.20 = 9,329.20 : x
  2. Step 2: Convert to fraction form
    16,402.28/22,635.20 = 9,329.20/x
  3. Step 3: Cross multiply
    16,402.28x = 22,635.20 × 9,329.20
  4. Step 4: Simplify right side
    16,402.28x = 211,168,307.84
  5. Step 5: Solve for x
    x = 211,168,307.84/16,402.28
  6. Step 6: Final answer
    x = 12,874.33

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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.