Home / 22,816.56-31,489.68-13,254.42

Finding the Fourth Proportional to 22,816.56, 31,489.68 and 13,254.42

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Solution

The fourth proportional to 22,816.56, 31,489.68 and 13,254.42 is: 18,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.56 : 31,489.68 = 13,254.42 : x
  2. Step 2: Convert to fraction form
    22,816.56/31,489.68 = 13,254.42/x
  3. Step 3: Cross multiply
    22,816.56x = 31,489.68 × 13,254.42
  4. Step 4: Simplify right side
    22,816.56x = 417,377,444.39
  5. Step 5: Solve for x
    x = 417,377,444.39/22,816.56
  6. Step 6: Final answer
    x = 18,292.74

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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.