Home / 22,301.99-30,778.17-14,735.05

Finding the Fourth Proportional to 22,301.99, 30,778.17 and 14,735.05

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Solution

The fourth proportional to 22,301.99, 30,778.17 and 14,735.05 is: 20,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.99 : 30,778.17 = 14,735.05 : x
  2. Step 2: Convert to fraction form
    22,301.99/30,778.17 = 14,735.05/x
  3. Step 3: Cross multiply
    22,301.99x = 30,778.17 × 14,735.05
  4. Step 4: Simplify right side
    22,301.99x = 453,517,873.86
  5. Step 5: Solve for x
    x = 453,517,873.86/22,301.99
  6. Step 6: Final answer
    x = 20,335.31

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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.