Home / 22,497.78-31,060.18-15,434.58

Finding the Fourth Proportional to 22,497.78, 31,060.18 and 15,434.58

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Solution

The fourth proportional to 22,497.78, 31,060.18 and 15,434.58 is: 21,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.78 : 31,060.18 = 15,434.58 : x
  2. Step 2: Convert to fraction form
    22,497.78/31,060.18 = 15,434.58/x
  3. Step 3: Cross multiply
    22,497.78x = 31,060.18 × 15,434.58
  4. Step 4: Simplify right side
    22,497.78x = 479,400,833.02
  5. Step 5: Solve for x
    x = 479,400,833.02/22,497.78
  6. Step 6: Final answer
    x = 21,308.81

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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.