Home / 22,627.80-31,238.73-13,677.57

Finding the Fourth Proportional to 22,627.80, 31,238.73 and 13,677.57

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Solution

The fourth proportional to 22,627.80, 31,238.73 and 13,677.57 is: 18,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.80 : 31,238.73 = 13,677.57 : x
  2. Step 2: Convert to fraction form
    22,627.80/31,238.73 = 13,677.57/x
  3. Step 3: Cross multiply
    22,627.80x = 31,238.73 × 13,677.57
  4. Step 4: Simplify right side
    22,627.80x = 427,269,916.29
  5. Step 5: Solve for x
    x = 427,269,916.29/22,627.80
  6. Step 6: Final answer
    x = 18,882.52

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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.