Home / 14,265.20-21,422.10-10,134.20

Finding the Fourth Proportional to 14,265.20, 21,422.10 and 10,134.20

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Solution

The fourth proportional to 14,265.20, 21,422.10 and 10,134.20 is: 15,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.20 : 21,422.10 = 10,134.20 : x
  2. Step 2: Convert to fraction form
    14,265.20/21,422.10 = 10,134.20/x
  3. Step 3: Cross multiply
    14,265.20x = 21,422.10 × 10,134.20
  4. Step 4: Simplify right side
    14,265.20x = 217,095,845.82
  5. Step 5: Solve for x
    x = 217,095,845.82/14,265.20
  6. Step 6: Final answer
    x = 15,218.56

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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.