Home / 14,177.46-21,238.50-10,422.31

Finding the Fourth Proportional to 14,177.46, 21,238.50 and 10,422.31

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Solution

The fourth proportional to 14,177.46, 21,238.50 and 10,422.31 is: 15,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.46 : 21,238.50 = 10,422.31 : x
  2. Step 2: Convert to fraction form
    14,177.46/21,238.50 = 10,422.31/x
  3. Step 3: Cross multiply
    14,177.46x = 21,238.50 × 10,422.31
  4. Step 4: Simplify right side
    14,177.46x = 221,354,226.88
  5. Step 5: Solve for x
    x = 221,354,226.88/14,177.46
  6. Step 6: Final answer
    x = 15,613.11

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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.