Home / 18,758.24-28,151.20-15,104.58

Finding the Fourth Proportional to 18,758.24, 28,151.20 and 15,104.58

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Solution

The fourth proportional to 18,758.24, 28,151.20 and 15,104.58 is: 22,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.24 : 28,151.20 = 15,104.58 : x
  2. Step 2: Convert to fraction form
    18,758.24/28,151.20 = 15,104.58/x
  3. Step 3: Cross multiply
    18,758.24x = 28,151.20 × 15,104.58
  4. Step 4: Simplify right side
    18,758.24x = 425,211,965.81
  5. Step 5: Solve for x
    x = 425,211,965.81/18,758.24
  6. Step 6: Final answer
    x = 22,668.01

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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.