Home / 25,343.03-38,012.12-7,808.15

Finding the Fourth Proportional to 25,343.03, 38,012.12 and 7,808.15

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Solution

The fourth proportional to 25,343.03, 38,012.12 and 7,808.15 is: 11,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.03 : 38,012.12 = 7,808.15 : x
  2. Step 2: Convert to fraction form
    25,343.03/38,012.12 = 7,808.15/x
  3. Step 3: Cross multiply
    25,343.03x = 38,012.12 × 7,808.15
  4. Step 4: Simplify right side
    25,343.03x = 296,804,420.05
  5. Step 5: Solve for x
    x = 296,804,420.05/25,343.03
  6. Step 6: Final answer
    x = 11,711.48

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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.