Home / 18,150.18-25,050.03-11,080.74

Finding the Fourth Proportional to 18,150.18, 25,050.03 and 11,080.74

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Solution

The fourth proportional to 18,150.18, 25,050.03 and 11,080.74 is: 15,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.18 : 25,050.03 = 11,080.74 : x
  2. Step 2: Convert to fraction form
    18,150.18/25,050.03 = 11,080.74/x
  3. Step 3: Cross multiply
    18,150.18x = 25,050.03 × 11,080.74
  4. Step 4: Simplify right side
    18,150.18x = 277,572,869.42
  5. Step 5: Solve for x
    x = 277,572,869.42/18,150.18
  6. Step 6: Final answer
    x = 15,293.12

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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.