Home / 22,569.06-31,146.39-13,616.38

Finding the Fourth Proportional to 22,569.06, 31,146.39 and 13,616.38

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Solution

The fourth proportional to 22,569.06, 31,146.39 and 13,616.38 is: 18,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.06 : 31,146.39 = 13,616.38 : x
  2. Step 2: Convert to fraction form
    22,569.06/31,146.39 = 13,616.38/x
  3. Step 3: Cross multiply
    22,569.06x = 31,146.39 × 13,616.38
  4. Step 4: Simplify right side
    22,569.06x = 424,101,081.87
  5. Step 5: Solve for x
    x = 424,101,081.87/22,569.06
  6. Step 6: Final answer
    x = 18,791.26

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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.