Home / 25,367.13-38,050.70-19,812.15

Finding the Fourth Proportional to 25,367.13, 38,050.70 and 19,812.15

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Solution

The fourth proportional to 25,367.13, 38,050.70 and 19,812.15 is: 29,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.13 : 38,050.70 = 19,812.15 : x
  2. Step 2: Convert to fraction form
    25,367.13/38,050.70 = 19,812.15/x
  3. Step 3: Cross multiply
    25,367.13x = 38,050.70 × 19,812.15
  4. Step 4: Simplify right side
    25,367.13x = 753,866,076.94
  5. Step 5: Solve for x
    x = 753,866,076.94/25,367.13
  6. Step 6: Final answer
    x = 29,718.23

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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.