Home / 25,520.66-38,242.00-10,721.48

Finding the Fourth Proportional to 25,520.66, 38,242.00 and 10,721.48

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Solution

The fourth proportional to 25,520.66, 38,242.00 and 10,721.48 is: 16,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.66 : 38,242.00 = 10,721.48 : x
  2. Step 2: Convert to fraction form
    25,520.66/38,242.00 = 10,721.48/x
  3. Step 3: Cross multiply
    25,520.66x = 38,242.00 × 10,721.48
  4. Step 4: Simplify right side
    25,520.66x = 410,010,784.55
  5. Step 5: Solve for x
    x = 410,010,784.55/25,520.66
  6. Step 6: Final answer
    x = 16,065.84

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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.