Home / 49,005.95-73,500.11-12,982.65

Finding the Fourth Proportional to 49,005.95, 73,500.11 and 12,982.65

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Solution

The fourth proportional to 49,005.95, 73,500.11 and 12,982.65 is: 19,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,005.95 : 73,500.11 = 12,982.65 : x
  2. Step 2: Convert to fraction form
    49,005.95/73,500.11 = 12,982.65/x
  3. Step 3: Cross multiply
    49,005.95x = 73,500.11 × 12,982.65
  4. Step 4: Simplify right side
    49,005.95x = 954,225,911.24
  5. Step 5: Solve for x
    x = 954,225,911.24/49,005.95
  6. Step 6: Final answer
    x = 19,471.64

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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.