Home / 13,251.33-18,267.57-9,260.06

Finding the Fourth Proportional to 13,251.33, 18,267.57 and 9,260.06

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Solution

The fourth proportional to 13,251.33, 18,267.57 and 9,260.06 is: 12,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.33 : 18,267.57 = 9,260.06 : x
  2. Step 2: Convert to fraction form
    13,251.33/18,267.57 = 9,260.06/x
  3. Step 3: Cross multiply
    13,251.33x = 18,267.57 × 9,260.06
  4. Step 4: Simplify right side
    13,251.33x = 169,158,702.92
  5. Step 5: Solve for x
    x = 169,158,702.92/13,251.33
  6. Step 6: Final answer
    x = 12,765.41

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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.