Home / 14,743.76-20,350.68-11,780.24

Finding the Fourth Proportional to 14,743.76, 20,350.68 and 11,780.24

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Solution

The fourth proportional to 14,743.76, 20,350.68 and 11,780.24 is: 16,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.76 : 20,350.68 = 11,780.24 : x
  2. Step 2: Convert to fraction form
    14,743.76/20,350.68 = 11,780.24/x
  3. Step 3: Cross multiply
    14,743.76x = 20,350.68 × 11,780.24
  4. Step 4: Simplify right side
    14,743.76x = 239,735,894.56
  5. Step 5: Solve for x
    x = 239,735,894.56/14,743.76
  6. Step 6: Final answer
    x = 16,260.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.