Home / 18,752.07-28,134.27-7,668.08

Finding the Fourth Proportional to 18,752.07, 28,134.27 and 7,668.08

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Solution

The fourth proportional to 18,752.07, 28,134.27 and 7,668.08 is: 11,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.07 : 28,134.27 = 7,668.08 : x
  2. Step 2: Convert to fraction form
    18,752.07/28,134.27 = 7,668.08/x
  3. Step 3: Cross multiply
    18,752.07x = 28,134.27 × 7,668.08
  4. Step 4: Simplify right side
    18,752.07x = 215,735,956.19
  5. Step 5: Solve for x
    x = 215,735,956.19/18,752.07
  6. Step 6: Final answer
    x = 11,504.65

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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.