Home / 21,032.54-29,024.30-11,472.70

Finding the Fourth Proportional to 21,032.54, 29,024.30 and 11,472.70

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Solution

The fourth proportional to 21,032.54, 29,024.30 and 11,472.70 is: 15,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.54 : 29,024.30 = 11,472.70 : x
  2. Step 2: Convert to fraction form
    21,032.54/29,024.30 = 11,472.70/x
  3. Step 3: Cross multiply
    21,032.54x = 29,024.30 × 11,472.70
  4. Step 4: Simplify right side
    21,032.54x = 332,987,086.61
  5. Step 5: Solve for x
    x = 332,987,086.61/21,032.54
  6. Step 6: Final answer
    x = 15,832.00

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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.