Home / 20,572.48-30,851.04-6,717.76

Finding the Fourth Proportional to 20,572.48, 30,851.04 and 6,717.76

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Solution

The fourth proportional to 20,572.48, 30,851.04 and 6,717.76 is: 10,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.48 : 30,851.04 = 6,717.76 : x
  2. Step 2: Convert to fraction form
    20,572.48/30,851.04 = 6,717.76/x
  3. Step 3: Cross multiply
    20,572.48x = 30,851.04 × 6,717.76
  4. Step 4: Simplify right side
    20,572.48x = 207,249,882.47
  5. Step 5: Solve for x
    x = 207,249,882.47/20,572.48
  6. Step 6: Final answer
    x = 10,074.13

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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.