Home / 25,436.66-38,148.24-18,019.22

Finding the Fourth Proportional to 25,436.66, 38,148.24 and 18,019.22

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Solution

The fourth proportional to 25,436.66, 38,148.24 and 18,019.22 is: 27,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.66 : 38,148.24 = 18,019.22 : x
  2. Step 2: Convert to fraction form
    25,436.66/38,148.24 = 18,019.22/x
  3. Step 3: Cross multiply
    25,436.66x = 38,148.24 × 18,019.22
  4. Step 4: Simplify right side
    25,436.66x = 687,401,529.17
  5. Step 5: Solve for x
    x = 687,401,529.17/25,436.66
  6. Step 6: Final answer
    x = 27,024.05

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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.