Home / 18,575.70-25,643.28-11,773.11

Finding the Fourth Proportional to 18,575.70, 25,643.28 and 11,773.11

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Solution

The fourth proportional to 18,575.70, 25,643.28 and 11,773.11 is: 16,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.70 : 25,643.28 = 11,773.11 : x
  2. Step 2: Convert to fraction form
    18,575.70/25,643.28 = 11,773.11/x
  3. Step 3: Cross multiply
    18,575.70x = 25,643.28 × 11,773.11
  4. Step 4: Simplify right side
    18,575.70x = 301,901,296.51
  5. Step 5: Solve for x
    x = 301,901,296.51/18,575.70
  6. Step 6: Final answer
    x = 16,252.49

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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.