Home / 14,127.46-21,191.19-5,360.29

Finding the Fourth Proportional to 14,127.46, 21,191.19 and 5,360.29

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Solution

The fourth proportional to 14,127.46, 21,191.19 and 5,360.29 is: 8,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.46 : 21,191.19 = 5,360.29 : x
  2. Step 2: Convert to fraction form
    14,127.46/21,191.19 = 5,360.29/x
  3. Step 3: Cross multiply
    14,127.46x = 21,191.19 × 5,360.29
  4. Step 4: Simplify right side
    14,127.46x = 113,590,923.85
  5. Step 5: Solve for x
    x = 113,590,923.85/14,127.46
  6. Step 6: Final answer
    x = 8,040.44

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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.