Home / 13,593.04-18,757.43-7,543.61

Finding the Fourth Proportional to 13,593.04, 18,757.43 and 7,543.61

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Solution

The fourth proportional to 13,593.04, 18,757.43 and 7,543.61 is: 10,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.04 : 18,757.43 = 7,543.61 : x
  2. Step 2: Convert to fraction form
    13,593.04/18,757.43 = 7,543.61/x
  3. Step 3: Cross multiply
    13,593.04x = 18,757.43 × 7,543.61
  4. Step 4: Simplify right side
    13,593.04x = 141,498,672.11
  5. Step 5: Solve for x
    x = 141,498,672.11/13,593.04
  6. Step 6: Final answer
    x = 10,409.64

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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.