Home / 22,500.79-33,751.12-12,500.85

Finding the Fourth Proportional to 22,500.79, 33,751.12 and 12,500.85

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Solution

The fourth proportional to 22,500.79, 33,751.12 and 12,500.85 is: 18,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500.79 : 33,751.12 = 12,500.85 : x
  2. Step 2: Convert to fraction form
    22,500.79/33,751.12 = 12,500.85/x
  3. Step 3: Cross multiply
    22,500.79x = 33,751.12 × 12,500.85
  4. Step 4: Simplify right side
    22,500.79x = 421,917,688.45
  5. Step 5: Solve for x
    x = 421,917,688.45/22,500.79
  6. Step 6: Final answer
    x = 18,751.24

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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.