Home / 18,575.71-25,643.30-11,773.13

Finding the Fourth Proportional to 18,575.71, 25,643.30 and 11,773.13

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Solution

The fourth proportional to 18,575.71, 25,643.30 and 11,773.13 is: 16,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.71 : 25,643.30 = 11,773.13 : x
  2. Step 2: Convert to fraction form
    18,575.71/25,643.30 = 11,773.13/x
  3. Step 3: Cross multiply
    18,575.71x = 25,643.30 × 11,773.13
  4. Step 4: Simplify right side
    18,575.71x = 301,901,717.45
  5. Step 5: Solve for x
    x = 301,901,717.45/18,575.71
  6. Step 6: Final answer
    x = 16,252.50

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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.