Home / 22,631.40-31,246.56-17,316.72

Finding the Fourth Proportional to 22,631.40, 31,246.56 and 17,316.72

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Solution

The fourth proportional to 22,631.40, 31,246.56 and 17,316.72 is: 23,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.40 : 31,246.56 = 17,316.72 : x
  2. Step 2: Convert to fraction form
    22,631.40/31,246.56 = 17,316.72/x
  3. Step 3: Cross multiply
    22,631.40x = 31,246.56 × 17,316.72
  4. Step 4: Simplify right side
    22,631.40x = 541,087,930.48
  5. Step 5: Solve for x
    x = 541,087,930.48/22,631.40
  6. Step 6: Final answer
    x = 23,908.73

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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.