Home / 22,726.50-31,368.66-13,774.38

Finding the Fourth Proportional to 22,726.50, 31,368.66 and 13,774.38

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Solution

The fourth proportional to 22,726.50, 31,368.66 and 13,774.38 is: 19,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.50 : 31,368.66 = 13,774.38 : x
  2. Step 2: Convert to fraction form
    22,726.50/31,368.66 = 13,774.38/x
  3. Step 3: Cross multiply
    22,726.50x = 31,368.66 × 13,774.38
  4. Step 4: Simplify right side
    22,726.50x = 432,083,842.93
  5. Step 5: Solve for x
    x = 432,083,842.93/22,726.50
  6. Step 6: Final answer
    x = 19,012.34

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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.