Home / 15,419.66-23,125.29-4,325.66

Finding the Fourth Proportional to 15,419.66, 23,125.29 and 4,325.66

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Solution

The fourth proportional to 15,419.66, 23,125.29 and 4,325.66 is: 6,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.66 : 23,125.29 = 4,325.66 : x
  2. Step 2: Convert to fraction form
    15,419.66/23,125.29 = 4,325.66/x
  3. Step 3: Cross multiply
    15,419.66x = 23,125.29 × 4,325.66
  4. Step 4: Simplify right side
    15,419.66x = 100,032,141.94
  5. Step 5: Solve for x
    x = 100,032,141.94/15,419.66
  6. Step 6: Final answer
    x = 6,487.31

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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.