Home / 25,871.42-35,694.53-15,108.53

Finding the Fourth Proportional to 25,871.42, 35,694.53 and 15,108.53

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Solution

The fourth proportional to 25,871.42, 35,694.53 and 15,108.53 is: 20,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.42 : 35,694.53 = 15,108.53 : x
  2. Step 2: Convert to fraction form
    25,871.42/35,694.53 = 15,108.53/x
  3. Step 3: Cross multiply
    25,871.42x = 35,694.53 × 15,108.53
  4. Step 4: Simplify right side
    25,871.42x = 539,291,698.87
  5. Step 5: Solve for x
    x = 539,291,698.87/25,871.42
  6. Step 6: Final answer
    x = 20,845.08

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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.