Home / 13,561.83-18,715.68-7,593.53

Finding the Fourth Proportional to 13,561.83, 18,715.68 and 7,593.53

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Solution

The fourth proportional to 13,561.83, 18,715.68 and 7,593.53 is: 10,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.83 : 18,715.68 = 7,593.53 : x
  2. Step 2: Convert to fraction form
    13,561.83/18,715.68 = 7,593.53/x
  3. Step 3: Cross multiply
    13,561.83x = 18,715.68 × 7,593.53
  4. Step 4: Simplify right side
    13,561.83x = 142,117,983.97
  5. Step 5: Solve for x
    x = 142,117,983.97/13,561.83
  6. Step 6: Final answer
    x = 10,479.26

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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.