Home / 13,588.27-18,732.15-9,542.77

Finding the Fourth Proportional to 13,588.27, 18,732.15 and 9,542.77

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Solution

The fourth proportional to 13,588.27, 18,732.15 and 9,542.77 is: 13,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.27 : 18,732.15 = 9,542.77 : x
  2. Step 2: Convert to fraction form
    13,588.27/18,732.15 = 9,542.77/x
  3. Step 3: Cross multiply
    13,588.27x = 18,732.15 × 9,542.77
  4. Step 4: Simplify right side
    13,588.27x = 178,756,599.06
  5. Step 5: Solve for x
    x = 178,756,599.06/13,588.27
  6. Step 6: Final answer
    x = 13,155.21

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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.