Home / 18,151.68-27,221.04-6,302.40

Finding the Fourth Proportional to 18,151.68, 27,221.04 and 6,302.40

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Solution

The fourth proportional to 18,151.68, 27,221.04 and 6,302.40 is: 9,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.68 : 27,221.04 = 6,302.40 : x
  2. Step 2: Convert to fraction form
    18,151.68/27,221.04 = 6,302.40/x
  3. Step 3: Cross multiply
    18,151.68x = 27,221.04 × 6,302.40
  4. Step 4: Simplify right side
    18,151.68x = 171,557,882.50
  5. Step 5: Solve for x
    x = 171,557,882.50/18,151.68
  6. Step 6: Final answer
    x = 9,451.35

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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.