Home / 22,763.46-31,402.43-15,211.65

Finding the Fourth Proportional to 22,763.46, 31,402.43 and 15,211.65

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Solution

The fourth proportional to 22,763.46, 31,402.43 and 15,211.65 is: 20,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.46 : 31,402.43 = 15,211.65 : x
  2. Step 2: Convert to fraction form
    22,763.46/31,402.43 = 15,211.65/x
  3. Step 3: Cross multiply
    22,763.46x = 31,402.43 × 15,211.65
  4. Step 4: Simplify right side
    22,763.46x = 477,682,698.25
  5. Step 5: Solve for x
    x = 477,682,698.25/22,763.46
  6. Step 6: Final answer
    x = 20,984.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.