Home / 18,395.19-25,385.96-10,437.75

Finding the Fourth Proportional to 18,395.19, 25,385.96 and 10,437.75

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Solution

The fourth proportional to 18,395.19, 25,385.96 and 10,437.75 is: 14,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.19 : 25,385.96 = 10,437.75 : x
  2. Step 2: Convert to fraction form
    18,395.19/25,385.96 = 10,437.75/x
  3. Step 3: Cross multiply
    18,395.19x = 25,385.96 × 10,437.75
  4. Step 4: Simplify right side
    18,395.19x = 264,972,251.80
  5. Step 5: Solve for x
    x = 264,972,251.80/18,395.19
  6. Step 6: Final answer
    x = 14,404.43

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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.