Home / 18,279.74-25,226.08-9,896.24

Finding the Fourth Proportional to 18,279.74, 25,226.08 and 9,896.24

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Solution

The fourth proportional to 18,279.74, 25,226.08 and 9,896.24 is: 13,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.74 : 25,226.08 = 9,896.24 : x
  2. Step 2: Convert to fraction form
    18,279.74/25,226.08 = 9,896.24/x
  3. Step 3: Cross multiply
    18,279.74x = 25,226.08 × 9,896.24
  4. Step 4: Simplify right side
    18,279.74x = 249,643,341.94
  5. Step 5: Solve for x
    x = 249,643,341.94/18,279.74
  6. Step 6: Final answer
    x = 13,656.83

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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.