Home / 22,649.48-31,254.82-13,701.95

Finding the Fourth Proportional to 22,649.48, 31,254.82 and 13,701.95

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Solution

The fourth proportional to 22,649.48, 31,254.82 and 13,701.95 is: 18,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.48 : 31,254.82 = 13,701.95 : x
  2. Step 2: Convert to fraction form
    22,649.48/31,254.82 = 13,701.95/x
  3. Step 3: Cross multiply
    22,649.48x = 31,254.82 × 13,701.95
  4. Step 4: Simplify right side
    22,649.48x = 428,251,980.90
  5. Step 5: Solve for x
    x = 428,251,980.90/22,649.48
  6. Step 6: Final answer
    x = 18,907.81

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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.