Home / 15,948.43-22,009.50-8,874.70

Finding the Fourth Proportional to 15,948.43, 22,009.50 and 8,874.70

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Solution

The fourth proportional to 15,948.43, 22,009.50 and 8,874.70 is: 12,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.43 : 22,009.50 = 8,874.70 : x
  2. Step 2: Convert to fraction form
    15,948.43/22,009.50 = 8,874.70/x
  3. Step 3: Cross multiply
    15,948.43x = 22,009.50 × 8,874.70
  4. Step 4: Simplify right side
    15,948.43x = 195,327,709.65
  5. Step 5: Solve for x
    x = 195,327,709.65/15,948.43
  6. Step 6: Final answer
    x = 12,247.46

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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.