Home / 13,256.73-18,286.66-7,948.46

Finding the Fourth Proportional to 13,256.73, 18,286.66 and 7,948.46

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Solution

The fourth proportional to 13,256.73, 18,286.66 and 7,948.46 is: 10,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.73 : 18,286.66 = 7,948.46 : x
  2. Step 2: Convert to fraction form
    13,256.73/18,286.66 = 7,948.46/x
  3. Step 3: Cross multiply
    13,256.73x = 18,286.66 × 7,948.46
  4. Step 4: Simplify right side
    13,256.73x = 145,350,841.20
  5. Step 5: Solve for x
    x = 145,350,841.20/13,256.73
  6. Step 6: Final answer
    x = 10,964.31

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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.