Home / 25,231.52-37,825.28-10,431.20

Finding the Fourth Proportional to 25,231.52, 37,825.28 and 10,431.20

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Solution

The fourth proportional to 25,231.52, 37,825.28 and 10,431.20 is: 15,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.52 : 37,825.28 = 10,431.20 : x
  2. Step 2: Convert to fraction form
    25,231.52/37,825.28 = 10,431.20/x
  3. Step 3: Cross multiply
    25,231.52x = 37,825.28 × 10,431.20
  4. Step 4: Simplify right side
    25,231.52x = 394,563,060.74
  5. Step 5: Solve for x
    x = 394,563,060.74/25,231.52
  6. Step 6: Final answer
    x = 15,637.70

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1.5x scale

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.