Home / 25,854.48-38,785.38-8,320.23

Finding the Fourth Proportional to 25,854.48, 38,785.38 and 8,320.23

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Solution

The fourth proportional to 25,854.48, 38,785.38 and 8,320.23 is: 12,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.48 : 38,785.38 = 8,320.23 : x
  2. Step 2: Convert to fraction form
    25,854.48/38,785.38 = 8,320.23/x
  3. Step 3: Cross multiply
    25,854.48x = 38,785.38 × 8,320.23
  4. Step 4: Simplify right side
    25,854.48x = 322,703,282.24
  5. Step 5: Solve for x
    x = 322,703,282.24/25,854.48
  6. Step 6: Final answer
    x = 12,481.52

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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.