Home / 15,081.64-22,585.20-8,825.20

Finding the Fourth Proportional to 15,081.64, 22,585.20 and 8,825.20

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Solution

The fourth proportional to 15,081.64, 22,585.20 and 8,825.20 is: 13,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.64 : 22,585.20 = 8,825.20 : x
  2. Step 2: Convert to fraction form
    15,081.64/22,585.20 = 8,825.20/x
  3. Step 3: Cross multiply
    15,081.64x = 22,585.20 × 8,825.20
  4. Step 4: Simplify right side
    15,081.64x = 199,318,907.04
  5. Step 5: Solve for x
    x = 199,318,907.04/15,081.64
  6. Step 6: Final answer
    x = 13,216.00

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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.