Home / 22,938.48-31,625.51-15,386.04

Finding the Fourth Proportional to 22,938.48, 31,625.51 and 15,386.04

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Solution

The fourth proportional to 22,938.48, 31,625.51 and 15,386.04 is: 21,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.48 : 31,625.51 = 15,386.04 : x
  2. Step 2: Convert to fraction form
    22,938.48/31,625.51 = 15,386.04/x
  3. Step 3: Cross multiply
    22,938.48x = 31,625.51 × 15,386.04
  4. Step 4: Simplify right side
    22,938.48x = 486,591,284.95
  5. Step 5: Solve for x
    x = 486,591,284.95/22,938.48
  6. Step 6: Final answer
    x = 21,212.88

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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.