Home / 16,985.92-23,439.79-9,432.73

Finding the Fourth Proportional to 16,985.92, 23,439.79 and 9,432.73

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Solution

The fourth proportional to 16,985.92, 23,439.79 and 9,432.73 is: 13,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.92 : 23,439.79 = 9,432.73 : x
  2. Step 2: Convert to fraction form
    16,985.92/23,439.79 = 9,432.73/x
  3. Step 3: Cross multiply
    16,985.92x = 23,439.79 × 9,432.73
  4. Step 4: Simplify right side
    16,985.92x = 221,101,210.33
  5. Step 5: Solve for x
    x = 221,101,210.33/16,985.92
  6. Step 6: Final answer
    x = 13,016.73

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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.