Home / 14,149.18-21,223.74-3,760.93

Finding the Fourth Proportional to 14,149.18, 21,223.74 and 3,760.93

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Solution

The fourth proportional to 14,149.18, 21,223.74 and 3,760.93 is: 5,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.18 : 21,223.74 = 3,760.93 : x
  2. Step 2: Convert to fraction form
    14,149.18/21,223.74 = 3,760.93/x
  3. Step 3: Cross multiply
    14,149.18x = 21,223.74 × 3,760.93
  4. Step 4: Simplify right side
    14,149.18x = 79,820,961.52
  5. Step 5: Solve for x
    x = 79,820,961.52/14,149.18
  6. Step 6: Final answer
    x = 5,641.39

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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.