Home / 25,246.80-37,870.20-19,341.90

Finding the Fourth Proportional to 25,246.80, 37,870.20 and 19,341.90

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Solution

The fourth proportional to 25,246.80, 37,870.20 and 19,341.90 is: 29,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,246.80 : 37,870.20 = 19,341.90 : x
  2. Step 2: Convert to fraction form
    25,246.80/37,870.20 = 19,341.90/x
  3. Step 3: Cross multiply
    25,246.80x = 37,870.20 × 19,341.90
  4. Step 4: Simplify right side
    25,246.80x = 732,481,621.38
  5. Step 5: Solve for x
    x = 732,481,621.38/25,246.80
  6. Step 6: Final answer
    x = 29,012.85

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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.