Home / 25,753.66-35,548.60-15,688.60

Finding the Fourth Proportional to 25,753.66, 35,548.60 and 15,688.60

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Solution

The fourth proportional to 25,753.66, 35,548.60 and 15,688.60 is: 21,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.66 : 35,548.60 = 15,688.60 : x
  2. Step 2: Convert to fraction form
    25,753.66/35,548.60 = 15,688.60/x
  3. Step 3: Cross multiply
    25,753.66x = 35,548.60 × 15,688.60
  4. Step 4: Simplify right side
    25,753.66x = 557,707,765.96
  5. Step 5: Solve for x
    x = 557,707,765.96/25,753.66
  6. Step 6: Final answer
    x = 21,655.48

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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.