Home / 15,371.20-23,054.01-5,377.42

Finding the Fourth Proportional to 15,371.20, 23,054.01 and 5,377.42

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Solution

The fourth proportional to 15,371.20, 23,054.01 and 5,377.42 is: 8,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.20 : 23,054.01 = 5,377.42 : x
  2. Step 2: Convert to fraction form
    15,371.20/23,054.01 = 5,377.42/x
  3. Step 3: Cross multiply
    15,371.20x = 23,054.01 × 5,377.42
  4. Step 4: Simplify right side
    15,371.20x = 123,971,094.45
  5. Step 5: Solve for x
    x = 123,971,094.45/15,371.20
  6. Step 6: Final answer
    x = 8,065.15

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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.