Home / 18,251.13-25,186.60-9,867.63

Finding the Fourth Proportional to 18,251.13, 25,186.60 and 9,867.63

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Solution

The fourth proportional to 18,251.13, 25,186.60 and 9,867.63 is: 13,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.13 : 25,186.60 = 9,867.63 : x
  2. Step 2: Convert to fraction form
    18,251.13/25,186.60 = 9,867.63/x
  3. Step 3: Cross multiply
    18,251.13x = 25,186.60 × 9,867.63
  4. Step 4: Simplify right side
    18,251.13x = 248,532,156.54
  5. Step 5: Solve for x
    x = 248,532,156.54/18,251.13
  6. Step 6: Final answer
    x = 13,617.35

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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.