Home / 15,500.57-23,250.86-5,112.32

Finding the Fourth Proportional to 15,500.57, 23,250.86 and 5,112.32

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Solution

The fourth proportional to 15,500.57, 23,250.86 and 5,112.32 is: 7,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.57 : 23,250.86 = 5,112.32 : x
  2. Step 2: Convert to fraction form
    15,500.57/23,250.86 = 5,112.32/x
  3. Step 3: Cross multiply
    15,500.57x = 23,250.86 × 5,112.32
  4. Step 4: Simplify right side
    15,500.57x = 118,865,694.78
  5. Step 5: Solve for x
    x = 118,865,694.78/15,500.57
  6. Step 6: Final answer
    x = 7,668.47

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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.