Home / 18,279.82-25,226.14-9,896.32

Finding the Fourth Proportional to 18,279.82, 25,226.14 and 9,896.32

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Solution

The fourth proportional to 18,279.82, 25,226.14 and 9,896.32 is: 13,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.82 : 25,226.14 = 9,896.32 : x
  2. Step 2: Convert to fraction form
    18,279.82/25,226.14 = 9,896.32/x
  3. Step 3: Cross multiply
    18,279.82x = 25,226.14 × 9,896.32
  4. Step 4: Simplify right side
    18,279.82x = 249,645,953.80
  5. Step 5: Solve for x
    x = 249,645,953.80/18,279.82
  6. Step 6: Final answer
    x = 13,656.92

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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.