Home / 25,681.92-38,514.24-9,041.28

Finding the Fourth Proportional to 25,681.92, 38,514.24 and 9,041.28

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Solution

The fourth proportional to 25,681.92, 38,514.24 and 9,041.28 is: 13,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.92 : 38,514.24 = 9,041.28 : x
  2. Step 2: Convert to fraction form
    25,681.92/38,514.24 = 9,041.28/x
  3. Step 3: Cross multiply
    25,681.92x = 38,514.24 × 9,041.28
  4. Step 4: Simplify right side
    25,681.92x = 348,218,027.83
  5. Step 5: Solve for x
    x = 348,218,027.83/25,681.92
  6. Step 6: Final answer
    x = 13,558.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.