Home / 15,748.25-21,731.87-9,033.46

Finding the Fourth Proportional to 15,748.25, 21,731.87 and 9,033.46

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Solution

The fourth proportional to 15,748.25, 21,731.87 and 9,033.46 is: 12,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.25 : 21,731.87 = 9,033.46 : x
  2. Step 2: Convert to fraction form
    15,748.25/21,731.87 = 9,033.46/x
  3. Step 3: Cross multiply
    15,748.25x = 21,731.87 × 9,033.46
  4. Step 4: Simplify right side
    15,748.25x = 196,313,824.54
  5. Step 5: Solve for x
    x = 196,313,824.54/15,748.25
  6. Step 6: Final answer
    x = 12,465.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.