Home / 22,729.16-31,360.95-13,774.70

Finding the Fourth Proportional to 22,729.16, 31,360.95 and 13,774.70

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Solution

The fourth proportional to 22,729.16, 31,360.95 and 13,774.70 is: 19,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.16 : 31,360.95 = 13,774.70 : x
  2. Step 2: Convert to fraction form
    22,729.16/31,360.95 = 13,774.70/x
  3. Step 3: Cross multiply
    22,729.16x = 31,360.95 × 13,774.70
  4. Step 4: Simplify right side
    22,729.16x = 431,987,521.16
  5. Step 5: Solve for x
    x = 431,987,521.16/22,729.16
  6. Step 6: Final answer
    x = 19,005.88

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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.