Home / 25,449.29-38,176.55-8,809.30

Finding the Fourth Proportional to 25,449.29, 38,176.55 and 8,809.30

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Solution

The fourth proportional to 25,449.29, 38,176.55 and 8,809.30 is: 13,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.29 : 38,176.55 = 8,809.30 : x
  2. Step 2: Convert to fraction form
    25,449.29/38,176.55 = 8,809.30/x
  3. Step 3: Cross multiply
    25,449.29x = 38,176.55 × 8,809.30
  4. Step 4: Simplify right side
    25,449.29x = 336,308,491.03
  5. Step 5: Solve for x
    x = 336,308,491.03/25,449.29
  6. Step 6: Final answer
    x = 13,214.85

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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.