Home / 13,251.92-18,287.24-7,283.57

Finding the Fourth Proportional to 13,251.92, 18,287.24 and 7,283.57

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Solution

The fourth proportional to 13,251.92, 18,287.24 and 7,283.57 is: 10,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.92 : 18,287.24 = 7,283.57 : x
  2. Step 2: Convert to fraction form
    13,251.92/18,287.24 = 7,283.57/x
  3. Step 3: Cross multiply
    13,251.92x = 18,287.24 × 7,283.57
  4. Step 4: Simplify right side
    13,251.92x = 133,196,264.79
  5. Step 5: Solve for x
    x = 133,196,264.79/13,251.92
  6. Step 6: Final answer
    x = 10,051.10

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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.