Home / 18,597.52-25,660-10,531.36

Finding the Fourth Proportional to 18,597.52, 25,660 and 10,531.36

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Solution

The fourth proportional to 18,597.52, 25,660 and 10,531.36 is: 14,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.52 : 25,660 = 10,531.36 : x
  2. Step 2: Convert to fraction form
    18,597.52/25,660 = 10,531.36/x
  3. Step 3: Cross multiply
    18,597.52x = 25,660 × 10,531.36
  4. Step 4: Simplify right side
    18,597.52x = 270,234,697.60
  5. Step 5: Solve for x
    x = 270,234,697.60/18,597.52
  6. Step 6: Final answer
    x = 14,530.68

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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.