Home / 22,897.20-31,600.14-12,825.48

Finding the Fourth Proportional to 22,897.20, 31,600.14 and 12,825.48

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Solution

The fourth proportional to 22,897.20, 31,600.14 and 12,825.48 is: 17,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,897.20 : 31,600.14 = 12,825.48 : x
  2. Step 2: Convert to fraction form
    22,897.20/31,600.14 = 12,825.48/x
  3. Step 3: Cross multiply
    22,897.20x = 31,600.14 × 12,825.48
  4. Step 4: Simplify right side
    22,897.20x = 405,286,963.57
  5. Step 5: Solve for x
    x = 405,286,963.57/22,897.20
  6. Step 6: Final answer
    x = 17,700.28

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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.