Home / 18,177.01-25,088.33-11,107.53

Finding the Fourth Proportional to 18,177.01, 25,088.33 and 11,107.53

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Solution

The fourth proportional to 18,177.01, 25,088.33 and 11,107.53 is: 15,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.01 : 25,088.33 = 11,107.53 : x
  2. Step 2: Convert to fraction form
    18,177.01/25,088.33 = 11,107.53/x
  3. Step 3: Cross multiply
    18,177.01x = 25,088.33 × 11,107.53
  4. Step 4: Simplify right side
    18,177.01x = 278,669,405.89
  5. Step 5: Solve for x
    x = 278,669,405.89/18,177.01
  6. Step 6: Final answer
    x = 15,330.87

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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.