Home / 18,133.68-25,032.60-11,062.92

Finding the Fourth Proportional to 18,133.68, 25,032.60 and 11,062.92

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Solution

The fourth proportional to 18,133.68, 25,032.60 and 11,062.92 is: 15,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.68 : 25,032.60 = 11,062.92 : x
  2. Step 2: Convert to fraction form
    18,133.68/25,032.60 = 11,062.92/x
  3. Step 3: Cross multiply
    18,133.68x = 25,032.60 × 11,062.92
  4. Step 4: Simplify right side
    18,133.68x = 276,933,651.19
  5. Step 5: Solve for x
    x = 276,933,651.19/18,133.68
  6. Step 6: Final answer
    x = 15,271.78

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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.