Home / 21,711.04-32,543.76-10,031.92

Finding the Fourth Proportional to 21,711.04, 32,543.76 and 10,031.92

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Solution

The fourth proportional to 21,711.04, 32,543.76 and 10,031.92 is: 15,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.04 : 32,543.76 = 10,031.92 : x
  2. Step 2: Convert to fraction form
    21,711.04/32,543.76 = 10,031.92/x
  3. Step 3: Cross multiply
    21,711.04x = 32,543.76 × 10,031.92
  4. Step 4: Simplify right side
    21,711.04x = 326,476,396.82
  5. Step 5: Solve for x
    x = 326,476,396.82/21,711.04
  6. Step 6: Final answer
    x = 15,037.34

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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.