Home / 17,488.95-26,219.13-8,134.80

Finding the Fourth Proportional to 17,488.95, 26,219.13 and 8,134.80

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Solution

The fourth proportional to 17,488.95, 26,219.13 and 8,134.80 is: 12,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.95 : 26,219.13 = 8,134.80 : x
  2. Step 2: Convert to fraction form
    17,488.95/26,219.13 = 8,134.80/x
  3. Step 3: Cross multiply
    17,488.95x = 26,219.13 × 8,134.80
  4. Step 4: Simplify right side
    17,488.95x = 213,287,378.72
  5. Step 5: Solve for x
    x = 213,287,378.72/17,488.95
  6. Step 6: Final answer
    x = 12,195.55

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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.