Home / 21,024.78-29,013.60-11,593.35

Finding the Fourth Proportional to 21,024.78, 29,013.60 and 11,593.35

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Solution

The fourth proportional to 21,024.78, 29,013.60 and 11,593.35 is: 15,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.78 : 29,013.60 = 11,593.35 : x
  2. Step 2: Convert to fraction form
    21,024.78/29,013.60 = 11,593.35/x
  3. Step 3: Cross multiply
    21,024.78x = 29,013.60 × 11,593.35
  4. Step 4: Simplify right side
    21,024.78x = 336,364,819.56
  5. Step 5: Solve for x
    x = 336,364,819.56/21,024.78
  6. Step 6: Final answer
    x = 15,998.49

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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.