Home / 25,851.78-38,775.51-10,265.22

Finding the Fourth Proportional to 25,851.78, 38,775.51 and 10,265.22

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Solution

The fourth proportional to 25,851.78, 38,775.51 and 10,265.22 is: 15,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.78 : 38,775.51 = 10,265.22 : x
  2. Step 2: Convert to fraction form
    25,851.78/38,775.51 = 10,265.22/x
  3. Step 3: Cross multiply
    25,851.78x = 38,775.51 × 10,265.22
  4. Step 4: Simplify right side
    25,851.78x = 398,039,140.76
  5. Step 5: Solve for x
    x = 398,039,140.76/25,851.78
  6. Step 6: Final answer
    x = 15,396.97

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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.