Home / 20,056.92-30,109.86-19,264.11

Finding the Fourth Proportional to 20,056.92, 30,109.86 and 19,264.11

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Solution

The fourth proportional to 20,056.92, 30,109.86 and 19,264.11 is: 28,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.92 : 30,109.86 = 19,264.11 : x
  2. Step 2: Convert to fraction form
    20,056.92/30,109.86 = 19,264.11/x
  3. Step 3: Cross multiply
    20,056.92x = 30,109.86 × 19,264.11
  4. Step 4: Simplify right side
    20,056.92x = 580,039,655.12
  5. Step 5: Solve for x
    x = 580,039,655.12/20,056.92
  6. Step 6: Final answer
    x = 28,919.68

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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.