Home / 21,031.96-29,024.18-11,600.48

Finding the Fourth Proportional to 21,031.96, 29,024.18 and 11,600.48

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Solution

The fourth proportional to 21,031.96, 29,024.18 and 11,600.48 is: 16,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,031.96 : 29,024.18 = 11,600.48 : x
  2. Step 2: Convert to fraction form
    21,031.96/29,024.18 = 11,600.48/x
  3. Step 3: Cross multiply
    21,031.96x = 29,024.18 × 11,600.48
  4. Step 4: Simplify right side
    21,031.96x = 336,694,419.61
  5. Step 5: Solve for x
    x = 336,694,419.61/21,031.96
  6. Step 6: Final answer
    x = 16,008.70

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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.