Home / 25,749.60-38,614.67-11,888.88

Finding the Fourth Proportional to 25,749.60, 38,614.67 and 11,888.88

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Solution

The fourth proportional to 25,749.60, 38,614.67 and 11,888.88 is: 17,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.60 : 38,614.67 = 11,888.88 : x
  2. Step 2: Convert to fraction form
    25,749.60/38,614.67 = 11,888.88/x
  3. Step 3: Cross multiply
    25,749.60x = 38,614.67 × 11,888.88
  4. Step 4: Simplify right side
    25,749.60x = 459,085,177.87
  5. Step 5: Solve for x
    x = 459,085,177.87/25,749.60
  6. Step 6: Final answer
    x = 17,828.83

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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.