Home / 16,278.08-22,464.87-9,108.68

Finding the Fourth Proportional to 16,278.08, 22,464.87 and 9,108.68

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Solution

The fourth proportional to 16,278.08, 22,464.87 and 9,108.68 is: 12,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.08 : 22,464.87 = 9,108.68 : x
  2. Step 2: Convert to fraction form
    16,278.08/22,464.87 = 9,108.68/x
  3. Step 3: Cross multiply
    16,278.08x = 22,464.87 × 9,108.68
  4. Step 4: Simplify right side
    16,278.08x = 204,625,154.20
  5. Step 5: Solve for x
    x = 204,625,154.20/16,278.08
  6. Step 6: Final answer
    x = 12,570.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.