Home / 14,151.17-21,229.76-4,790.75

Finding the Fourth Proportional to 14,151.17, 21,229.76 and 4,790.75

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Solution

The fourth proportional to 14,151.17, 21,229.76 and 4,790.75 is: 7,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.17 : 21,229.76 = 4,790.75 : x
  2. Step 2: Convert to fraction form
    14,151.17/21,229.76 = 4,790.75/x
  3. Step 3: Cross multiply
    14,151.17x = 21,229.76 × 4,790.75
  4. Step 4: Simplify right side
    14,151.17x = 101,706,378.55
  5. Step 5: Solve for x
    x = 101,706,378.55/14,151.17
  6. Step 6: Final answer
    x = 7,187.13

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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.