Home / 22,983.08-34,479.50-7,990.65

Finding the Fourth Proportional to 22,983.08, 34,479.50 and 7,990.65

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Solution

The fourth proportional to 22,983.08, 34,479.50 and 7,990.65 is: 11,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,983.08 : 34,479.50 = 7,990.65 : x
  2. Step 2: Convert to fraction form
    22,983.08/34,479.50 = 7,990.65/x
  3. Step 3: Cross multiply
    22,983.08x = 34,479.50 × 7,990.65
  4. Step 4: Simplify right side
    22,983.08x = 275,513,576.72
  5. Step 5: Solve for x
    x = 275,513,576.72/22,983.08
  6. Step 6: Final answer
    x = 11,987.67

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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.