Home / 14,117.40-21,176.10-5,791.95

Finding the Fourth Proportional to 14,117.40, 21,176.10 and 5,791.95

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Solution

The fourth proportional to 14,117.40, 21,176.10 and 5,791.95 is: 8,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.40 : 21,176.10 = 5,791.95 : x
  2. Step 2: Convert to fraction form
    14,117.40/21,176.10 = 5,791.95/x
  3. Step 3: Cross multiply
    14,117.40x = 21,176.10 × 5,791.95
  4. Step 4: Simplify right side
    14,117.40x = 122,650,912.40
  5. Step 5: Solve for x
    x = 122,650,912.40/14,117.40
  6. Step 6: Final answer
    x = 8,687.93

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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.