Home / 25,439.10-35,099.69-15,233.48

Finding the Fourth Proportional to 25,439.10, 35,099.69 and 15,233.48

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Solution

The fourth proportional to 25,439.10, 35,099.69 and 15,233.48 is: 21,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.10 : 35,099.69 = 15,233.48 : x
  2. Step 2: Convert to fraction form
    25,439.10/35,099.69 = 15,233.48/x
  3. Step 3: Cross multiply
    25,439.10x = 35,099.69 × 15,233.48
  4. Step 4: Simplify right side
    25,439.10x = 534,690,425.62
  5. Step 5: Solve for x
    x = 534,690,425.62/25,439.10
  6. Step 6: Final answer
    x = 21,018.45

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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.