Home / 25,378.53-35,026.05-14,621.31

Finding the Fourth Proportional to 25,378.53, 35,026.05 and 14,621.31

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Solution

The fourth proportional to 25,378.53, 35,026.05 and 14,621.31 is: 20,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.53 : 35,026.05 = 14,621.31 : x
  2. Step 2: Convert to fraction form
    25,378.53/35,026.05 = 14,621.31/x
  3. Step 3: Cross multiply
    25,378.53x = 35,026.05 × 14,621.31
  4. Step 4: Simplify right side
    25,378.53x = 512,126,658.61
  5. Step 5: Solve for x
    x = 512,126,658.61/25,378.53
  6. Step 6: Final answer
    x = 20,179.53

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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.