Home / 25,924.48-38,882.40-8,406.88

Finding the Fourth Proportional to 25,924.48, 38,882.40 and 8,406.88

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Solution

The fourth proportional to 25,924.48, 38,882.40 and 8,406.88 is: 12,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,924.48 : 38,882.40 = 8,406.88 : x
  2. Step 2: Convert to fraction form
    25,924.48/38,882.40 = 8,406.88/x
  3. Step 3: Cross multiply
    25,924.48x = 38,882.40 × 8,406.88
  4. Step 4: Simplify right side
    25,924.48x = 326,879,670.91
  5. Step 5: Solve for x
    x = 326,879,670.91/25,924.48
  6. Step 6: Final answer
    x = 12,608.92

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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.