Home / 25,099.68-34,652.16-18,761.28

Finding the Fourth Proportional to 25,099.68, 34,652.16 and 18,761.28

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Solution

The fourth proportional to 25,099.68, 34,652.16 and 18,761.28 is: 25,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.68 : 34,652.16 = 18,761.28 : x
  2. Step 2: Convert to fraction form
    25,099.68/34,652.16 = 18,761.28/x
  3. Step 3: Cross multiply
    25,099.68x = 34,652.16 × 18,761.28
  4. Step 4: Simplify right side
    25,099.68x = 650,118,876.36
  5. Step 5: Solve for x
    x = 650,118,876.36/25,099.68
  6. Step 6: Final answer
    x = 25,901.48

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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.