Home / 25,576.75-38,365.13-7,108.75

Finding the Fourth Proportional to 25,576.75, 38,365.13 and 7,108.75

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Solution

The fourth proportional to 25,576.75, 38,365.13 and 7,108.75 is: 10,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.75 : 38,365.13 = 7,108.75 : x
  2. Step 2: Convert to fraction form
    25,576.75/38,365.13 = 7,108.75/x
  3. Step 3: Cross multiply
    25,576.75x = 38,365.13 × 7,108.75
  4. Step 4: Simplify right side
    25,576.75x = 272,728,117.89
  5. Step 5: Solve for x
    x = 272,728,117.89/25,576.75
  6. Step 6: Final answer
    x = 10,663.13

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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.