Home / 20,670.33-31,002.17-5,673.95

Finding the Fourth Proportional to 20,670.33, 31,002.17 and 5,673.95

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Solution

The fourth proportional to 20,670.33, 31,002.17 and 5,673.95 is: 8,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670.33 : 31,002.17 = 5,673.95 : x
  2. Step 2: Convert to fraction form
    20,670.33/31,002.17 = 5,673.95/x
  3. Step 3: Cross multiply
    20,670.33x = 31,002.17 × 5,673.95
  4. Step 4: Simplify right side
    20,670.33x = 175,904,762.47
  5. Step 5: Solve for x
    x = 175,904,762.47/20,670.33
  6. Step 6: Final answer
    x = 8,510.01

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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.