Home / 25,551.30-38,330.79-8,019.39

Finding the Fourth Proportional to 25,551.30, 38,330.79 and 8,019.39

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Solution

The fourth proportional to 25,551.30, 38,330.79 and 8,019.39 is: 12,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.30 : 38,330.79 = 8,019.39 : x
  2. Step 2: Convert to fraction form
    25,551.30/38,330.79 = 8,019.39/x
  3. Step 3: Cross multiply
    25,551.30x = 38,330.79 × 8,019.39
  4. Step 4: Simplify right side
    25,551.30x = 307,389,554.02
  5. Step 5: Solve for x
    x = 307,389,554.02/25,551.30
  6. Step 6: Final answer
    x = 12,030.29

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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.