Home / 25,791.20-35,598.18-15,725.19

Finding the Fourth Proportional to 25,791.20, 35,598.18 and 15,725.19

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Solution

The fourth proportional to 25,791.20, 35,598.18 and 15,725.19 is: 21,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.20 : 35,598.18 = 15,725.19 : x
  2. Step 2: Convert to fraction form
    25,791.20/35,598.18 = 15,725.19/x
  3. Step 3: Cross multiply
    25,791.20x = 35,598.18 × 15,725.19
  4. Step 4: Simplify right side
    25,791.20x = 559,788,094.47
  5. Step 5: Solve for x
    x = 559,788,094.47/25,791.20
  6. Step 6: Final answer
    x = 21,704.61

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1.5x scale

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.