Home / 13,593.48-18,759.15-7,543.83

Finding the Fourth Proportional to 13,593.48, 18,759.15 and 7,543.83

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Solution

The fourth proportional to 13,593.48, 18,759.15 and 7,543.83 is: 10,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.48 : 18,759.15 = 7,543.83 : x
  2. Step 2: Convert to fraction form
    13,593.48/18,759.15 = 7,543.83/x
  3. Step 3: Cross multiply
    13,593.48x = 18,759.15 × 7,543.83
  4. Step 4: Simplify right side
    13,593.48x = 141,515,838.54
  5. Step 5: Solve for x
    x = 141,515,838.54/13,593.48
  6. Step 6: Final answer
    x = 10,410.57

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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.