Home / 22,665.88-31,270.18-16,711.68

Finding the Fourth Proportional to 22,665.88, 31,270.18 and 16,711.68

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Solution

The fourth proportional to 22,665.88, 31,270.18 and 16,711.68 is: 23,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.88 : 31,270.18 = 16,711.68 : x
  2. Step 2: Convert to fraction form
    22,665.88/31,270.18 = 16,711.68/x
  3. Step 3: Cross multiply
    22,665.88x = 31,270.18 × 16,711.68
  4. Step 4: Simplify right side
    22,665.88x = 522,577,241.70
  5. Step 5: Solve for x
    x = 522,577,241.70/22,665.88
  6. Step 6: Final answer
    x = 23,055.68

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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.