Home / 23,428.94-32,329.92-13,355.78

Finding the Fourth Proportional to 23,428.94, 32,329.92 and 13,355.78

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Solution

The fourth proportional to 23,428.94, 32,329.92 and 13,355.78 is: 18,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.94 : 32,329.92 = 13,355.78 : x
  2. Step 2: Convert to fraction form
    23,428.94/32,329.92 = 13,355.78/x
  3. Step 3: Cross multiply
    23,428.94x = 32,329.92 × 13,355.78
  4. Step 4: Simplify right side
    23,428.94x = 431,791,298.94
  5. Step 5: Solve for x
    x = 431,791,298.94/23,428.94
  6. Step 6: Final answer
    x = 18,429.83

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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.