Home / 20,256.10-30,337.17-19,555.27

Finding the Fourth Proportional to 20,256.10, 30,337.17 and 19,555.27

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Solution

The fourth proportional to 20,256.10, 30,337.17 and 19,555.27 is: 29,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.10 : 30,337.17 = 19,555.27 : x
  2. Step 2: Convert to fraction form
    20,256.10/30,337.17 = 19,555.27/x
  3. Step 3: Cross multiply
    20,256.10x = 30,337.17 × 19,555.27
  4. Step 4: Simplify right side
    20,256.10x = 593,251,550.39
  5. Step 5: Solve for x
    x = 593,251,550.39/20,256.10
  6. Step 6: Final answer
    x = 29,287.55

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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.