Home / 22,889.34-31,605.66-18,398.70

Finding the Fourth Proportional to 22,889.34, 31,605.66 and 18,398.70

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Solution

The fourth proportional to 22,889.34, 31,605.66 and 18,398.70 is: 25,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.34 : 31,605.66 = 18,398.70 : x
  2. Step 2: Convert to fraction form
    22,889.34/31,605.66 = 18,398.70/x
  3. Step 3: Cross multiply
    22,889.34x = 31,605.66 × 18,398.70
  4. Step 4: Simplify right side
    22,889.34x = 581,503,056.64
  5. Step 5: Solve for x
    x = 581,503,056.64/22,889.34
  6. Step 6: Final answer
    x = 25,404.97

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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.