Home / 15,451.98-23,180.85-6,218.70

Finding the Fourth Proportional to 15,451.98, 23,180.85 and 6,218.70

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Solution

The fourth proportional to 15,451.98, 23,180.85 and 6,218.70 is: 9,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.98 : 23,180.85 = 6,218.70 : x
  2. Step 2: Convert to fraction form
    15,451.98/23,180.85 = 6,218.70/x
  3. Step 3: Cross multiply
    15,451.98x = 23,180.85 × 6,218.70
  4. Step 4: Simplify right side
    15,451.98x = 144,154,751.90
  5. Step 5: Solve for x
    x = 144,154,751.90/15,451.98
  6. Step 6: Final answer
    x = 9,329.21

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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.