Home / 25,936.10-38,900.28-7,214.18

Finding the Fourth Proportional to 25,936.10, 38,900.28 and 7,214.18

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Solution

The fourth proportional to 25,936.10, 38,900.28 and 7,214.18 is: 10,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,936.10 : 38,900.28 = 7,214.18 : x
  2. Step 2: Convert to fraction form
    25,936.10/38,900.28 = 7,214.18/x
  3. Step 3: Cross multiply
    25,936.10x = 38,900.28 × 7,214.18
  4. Step 4: Simplify right side
    25,936.10x = 280,633,621.97
  5. Step 5: Solve for x
    x = 280,633,621.97/25,936.10
  6. Step 6: Final answer
    x = 10,820.19

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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.