Home / 22,726.04-31,257.80-18,239.92

Finding the Fourth Proportional to 22,726.04, 31,257.80 and 18,239.92

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Solution

The fourth proportional to 22,726.04, 31,257.80 and 18,239.92 is: 25,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.04 : 31,257.80 = 18,239.92 : x
  2. Step 2: Convert to fraction form
    22,726.04/31,257.80 = 18,239.92/x
  3. Step 3: Cross multiply
    22,726.04x = 31,257.80 × 18,239.92
  4. Step 4: Simplify right side
    22,726.04x = 570,139,771.38
  5. Step 5: Solve for x
    x = 570,139,771.38/22,726.04
  6. Step 6: Final answer
    x = 25,087.51

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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.