Home / 13,588.66-18,732.67-9,543.17

Finding the Fourth Proportional to 13,588.66, 18,732.67 and 9,543.17

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Solution

The fourth proportional to 13,588.66, 18,732.67 and 9,543.17 is: 13,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.66 : 18,732.67 = 9,543.17 : x
  2. Step 2: Convert to fraction form
    13,588.66/18,732.67 = 9,543.17/x
  3. Step 3: Cross multiply
    13,588.66x = 18,732.67 × 9,543.17
  4. Step 4: Simplify right side
    13,588.66x = 178,768,971.97
  5. Step 5: Solve for x
    x = 178,768,971.97/13,588.66
  6. Step 6: Final answer
    x = 13,155.75

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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.