Home / 18,499.32-27,726.30-9,132.48

Finding the Fourth Proportional to 18,499.32, 27,726.30 and 9,132.48

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Solution

The fourth proportional to 18,499.32, 27,726.30 and 9,132.48 is: 13,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.32 : 27,726.30 = 9,132.48 : x
  2. Step 2: Convert to fraction form
    18,499.32/27,726.30 = 9,132.48/x
  3. Step 3: Cross multiply
    18,499.32x = 27,726.30 × 9,132.48
  4. Step 4: Simplify right side
    18,499.32x = 253,209,880.22
  5. Step 5: Solve for x
    x = 253,209,880.22/18,499.32
  6. Step 6: Final answer
    x = 13,687.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.