Home / 22,614.89-31,208.51-12,544.85

Finding the Fourth Proportional to 22,614.89, 31,208.51 and 12,544.85

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Solution

The fourth proportional to 22,614.89, 31,208.51 and 12,544.85 is: 17,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.89 : 31,208.51 = 12,544.85 : x
  2. Step 2: Convert to fraction form
    22,614.89/31,208.51 = 12,544.85/x
  3. Step 3: Cross multiply
    22,614.89x = 31,208.51 × 12,544.85
  4. Step 4: Simplify right side
    22,614.89x = 391,506,186.06
  5. Step 5: Solve for x
    x = 391,506,186.06/22,614.89
  6. Step 6: Final answer
    x = 17,311.88

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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.