Home / 23,603.38-32,572.16-12,992.78

Finding the Fourth Proportional to 23,603.38, 32,572.16 and 12,992.78

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Solution

The fourth proportional to 23,603.38, 32,572.16 and 12,992.78 is: 17,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,603.38 : 32,572.16 = 12,992.78 : x
  2. Step 2: Convert to fraction form
    23,603.38/32,572.16 = 12,992.78/x
  3. Step 3: Cross multiply
    23,603.38x = 32,572.16 × 12,992.78
  4. Step 4: Simplify right side
    23,603.38x = 423,202,909.00
  5. Step 5: Solve for x
    x = 423,202,909.00/23,603.38
  6. Step 6: Final answer
    x = 17,929.76

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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.