Home / 25,576.66-38,367.64-9,781.59

Finding the Fourth Proportional to 25,576.66, 38,367.64 and 9,781.59

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Solution

The fourth proportional to 25,576.66, 38,367.64 and 9,781.59 is: 14,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.66 : 38,367.64 = 9,781.59 : x
  2. Step 2: Convert to fraction form
    25,576.66/38,367.64 = 9,781.59/x
  3. Step 3: Cross multiply
    25,576.66x = 38,367.64 × 9,781.59
  4. Step 4: Simplify right side
    25,576.66x = 375,296,679.85
  5. Step 5: Solve for x
    x = 375,296,679.85/25,576.66
  6. Step 6: Final answer
    x = 14,673.40

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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.