Home / 21,358.11-32,044.02-10,265.60

Finding the Fourth Proportional to 21,358.11, 32,044.02 and 10,265.60

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Solution

The fourth proportional to 21,358.11, 32,044.02 and 10,265.60 is: 15,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.11 : 32,044.02 = 10,265.60 : x
  2. Step 2: Convert to fraction form
    21,358.11/32,044.02 = 10,265.60/x
  3. Step 3: Cross multiply
    21,358.11x = 32,044.02 × 10,265.60
  4. Step 4: Simplify right side
    21,358.11x = 328,951,171.82
  5. Step 5: Solve for x
    x = 328,951,171.82/21,358.11
  6. Step 6: Final answer
    x = 15,401.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.