Home / 18,148.77-27,218.97-5,002.25

Finding the Fourth Proportional to 18,148.77, 27,218.97 and 5,002.25

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Solution

The fourth proportional to 18,148.77, 27,218.97 and 5,002.25 is: 7,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.77 : 27,218.97 = 5,002.25 : x
  2. Step 2: Convert to fraction form
    18,148.77/27,218.97 = 5,002.25/x
  3. Step 3: Cross multiply
    18,148.77x = 27,218.97 × 5,002.25
  4. Step 4: Simplify right side
    18,148.77x = 136,155,956.59
  5. Step 5: Solve for x
    x = 136,155,956.59/18,148.77
  6. Step 6: Final answer
    x = 7,502.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.