Home / 15,159.18-22,731.12-8,836.08

Finding the Fourth Proportional to 15,159.18, 22,731.12 and 8,836.08

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Solution

The fourth proportional to 15,159.18, 22,731.12 and 8,836.08 is: 13,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.18 : 22,731.12 = 8,836.08 : x
  2. Step 2: Convert to fraction form
    15,159.18/22,731.12 = 8,836.08/x
  3. Step 3: Cross multiply
    15,159.18x = 22,731.12 × 8,836.08
  4. Step 4: Simplify right side
    15,159.18x = 200,853,994.81
  5. Step 5: Solve for x
    x = 200,853,994.81/15,159.18
  6. Step 6: Final answer
    x = 13,249.66

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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.