Home / 20,096.19-30,140.34-14,781.78

Finding the Fourth Proportional to 20,096.19, 30,140.34 and 14,781.78

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Solution

The fourth proportional to 20,096.19, 30,140.34 and 14,781.78 is: 22,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.19 : 30,140.34 = 14,781.78 : x
  2. Step 2: Convert to fraction form
    20,096.19/30,140.34 = 14,781.78/x
  3. Step 3: Cross multiply
    20,096.19x = 30,140.34 × 14,781.78
  4. Step 4: Simplify right side
    20,096.19x = 445,527,875.01
  5. Step 5: Solve for x
    x = 445,527,875.01/20,096.19
  6. Step 6: Final answer
    x = 22,169.77

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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.