Home / 22,572.33-31,134.34-15,486.45

Finding the Fourth Proportional to 22,572.33, 31,134.34 and 15,486.45

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Solution

The fourth proportional to 22,572.33, 31,134.34 and 15,486.45 is: 21,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572.33 : 31,134.34 = 15,486.45 : x
  2. Step 2: Convert to fraction form
    22,572.33/31,134.34 = 15,486.45/x
  3. Step 3: Cross multiply
    22,572.33x = 31,134.34 × 15,486.45
  4. Step 4: Simplify right side
    22,572.33x = 482,160,302.30
  5. Step 5: Solve for x
    x = 482,160,302.30/22,572.33
  6. Step 6: Final answer
    x = 21,360.68

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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.