Home / 15,080.74-22,619.10-3,988.24

Finding the Fourth Proportional to 15,080.74, 22,619.10 and 3,988.24

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Solution

The fourth proportional to 15,080.74, 22,619.10 and 3,988.24 is: 5,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,080.74 : 22,619.10 = 3,988.24 : x
  2. Step 2: Convert to fraction form
    15,080.74/22,619.10 = 3,988.24/x
  3. Step 3: Cross multiply
    15,080.74x = 22,619.10 × 3,988.24
  4. Step 4: Simplify right side
    15,080.74x = 90,210,399.38
  5. Step 5: Solve for x
    x = 90,210,399.38/15,080.74
  6. Step 6: Final answer
    x = 5,981.83

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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.