Home / 13,500.17-20,250.25-5,068.61

Finding the Fourth Proportional to 13,500.17, 20,250.25 and 5,068.61

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Solution

The fourth proportional to 13,500.17, 20,250.25 and 5,068.61 is: 7,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.17 : 20,250.25 = 5,068.61 : x
  2. Step 2: Convert to fraction form
    13,500.17/20,250.25 = 5,068.61/x
  3. Step 3: Cross multiply
    13,500.17x = 20,250.25 × 5,068.61
  4. Step 4: Simplify right side
    13,500.17x = 102,640,619.65
  5. Step 5: Solve for x
    x = 102,640,619.65/13,500.17
  6. Step 6: Final answer
    x = 7,602.91

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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.