Home / 25,040.64-34,519.28-19,061.90

Finding the Fourth Proportional to 25,040.64, 34,519.28 and 19,061.90

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Solution

The fourth proportional to 25,040.64, 34,519.28 and 19,061.90 is: 26,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.64 : 34,519.28 = 19,061.90 : x
  2. Step 2: Convert to fraction form
    25,040.64/34,519.28 = 19,061.90/x
  3. Step 3: Cross multiply
    25,040.64x = 34,519.28 × 19,061.90
  4. Step 4: Simplify right side
    25,040.64x = 658,002,795.53
  5. Step 5: Solve for x
    x = 658,002,795.53/25,040.64
  6. Step 6: Final answer
    x = 26,277.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.