Home / 15,172.50-22,758.72-4,079.19

Finding the Fourth Proportional to 15,172.50, 22,758.72 and 4,079.19

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Solution

The fourth proportional to 15,172.50, 22,758.72 and 4,079.19 is: 6,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.50 : 22,758.72 = 4,079.19 : x
  2. Step 2: Convert to fraction form
    15,172.50/22,758.72 = 4,079.19/x
  3. Step 3: Cross multiply
    15,172.50x = 22,758.72 × 4,079.19
  4. Step 4: Simplify right side
    15,172.50x = 92,837,143.04
  5. Step 5: Solve for x
    x = 92,837,143.04/15,172.50
  6. Step 6: Final answer
    x = 6,118.78

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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.