Home / 18,251.40-25,176.06-11,525.16

Finding the Fourth Proportional to 18,251.40, 25,176.06 and 11,525.16

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Solution

The fourth proportional to 18,251.40, 25,176.06 and 11,525.16 is: 15,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.40 : 25,176.06 = 11,525.16 : x
  2. Step 2: Convert to fraction form
    18,251.40/25,176.06 = 11,525.16/x
  3. Step 3: Cross multiply
    18,251.40x = 25,176.06 × 11,525.16
  4. Step 4: Simplify right side
    18,251.40x = 290,158,119.67
  5. Step 5: Solve for x
    x = 290,158,119.67/18,251.40
  6. Step 6: Final answer
    x = 15,897.86

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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.