Home / 25,940.48-35,796.40-15,331.10

Finding the Fourth Proportional to 25,940.48, 35,796.40 and 15,331.10

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Solution

The fourth proportional to 25,940.48, 35,796.40 and 15,331.10 is: 21,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.48 : 35,796.40 = 15,331.10 : x
  2. Step 2: Convert to fraction form
    25,940.48/35,796.40 = 15,331.10/x
  3. Step 3: Cross multiply
    25,940.48x = 35,796.40 × 15,331.10
  4. Step 4: Simplify right side
    25,940.48x = 548,797,970.73
  5. Step 5: Solve for x
    x = 548,797,970.73/25,940.48
  6. Step 6: Final answer
    x = 21,156.05

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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.