Home / 21,032.50-29,024.88-11,601.04

Finding the Fourth Proportional to 21,032.50, 29,024.88 and 11,601.04

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Solution

The fourth proportional to 21,032.50, 29,024.88 and 11,601.04 is: 16,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.50 : 29,024.88 = 11,601.04 : x
  2. Step 2: Convert to fraction form
    21,032.50/29,024.88 = 11,601.04/x
  3. Step 3: Cross multiply
    21,032.50x = 29,024.88 × 11,601.04
  4. Step 4: Simplify right side
    21,032.50x = 336,718,793.88
  5. Step 5: Solve for x
    x = 336,718,793.88/21,032.50
  6. Step 6: Final answer
    x = 16,009.45

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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.