Home / 22,648.48-31,253.45-13,700.95

Finding the Fourth Proportional to 22,648.48, 31,253.45 and 13,700.95

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Solution

The fourth proportional to 22,648.48, 31,253.45 and 13,700.95 is: 18,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.48 : 31,253.45 = 13,700.95 : x
  2. Step 2: Convert to fraction form
    22,648.48/31,253.45 = 13,700.95/x
  3. Step 3: Cross multiply
    22,648.48x = 31,253.45 × 13,700.95
  4. Step 4: Simplify right side
    22,648.48x = 428,201,809.14
  5. Step 5: Solve for x
    x = 428,201,809.14/22,648.48
  6. Step 6: Final answer
    x = 18,906.43

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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.