Home / 18,236.16-25,165.62-10,279.14

Finding the Fourth Proportional to 18,236.16, 25,165.62 and 10,279.14

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Solution

The fourth proportional to 18,236.16, 25,165.62 and 10,279.14 is: 14,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.16 : 25,165.62 = 10,279.14 : x
  2. Step 2: Convert to fraction form
    18,236.16/25,165.62 = 10,279.14/x
  3. Step 3: Cross multiply
    18,236.16x = 25,165.62 × 10,279.14
  4. Step 4: Simplify right side
    18,236.16x = 258,680,931.17
  5. Step 5: Solve for x
    x = 258,680,931.17/18,236.16
  6. Step 6: Final answer
    x = 14,185.05

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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.