Home / 25,499.75-38,251.80-7,031.75

Finding the Fourth Proportional to 25,499.75, 38,251.80 and 7,031.75

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Solution

The fourth proportional to 25,499.75, 38,251.80 and 7,031.75 is: 10,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.75 : 38,251.80 = 7,031.75 : x
  2. Step 2: Convert to fraction form
    25,499.75/38,251.80 = 7,031.75/x
  3. Step 3: Cross multiply
    25,499.75x = 38,251.80 × 7,031.75
  4. Step 4: Simplify right side
    25,499.75x = 268,977,094.65
  5. Step 5: Solve for x
    x = 268,977,094.65/25,499.75
  6. Step 6: Final answer
    x = 10,548.22

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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.