Home / 14,151.76-21,228.72-3,763.24

Finding the Fourth Proportional to 14,151.76, 21,228.72 and 3,763.24

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Solution

The fourth proportional to 14,151.76, 21,228.72 and 3,763.24 is: 5,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.76 : 21,228.72 = 3,763.24 : x
  2. Step 2: Convert to fraction form
    14,151.76/21,228.72 = 3,763.24/x
  3. Step 3: Cross multiply
    14,151.76x = 21,228.72 × 3,763.24
  4. Step 4: Simplify right side
    14,151.76x = 79,888,768.25
  5. Step 5: Solve for x
    x = 79,888,768.25/14,151.76
  6. Step 6: Final answer
    x = 5,645.15

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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.