Home / 15,933.05-21,988.17-8,763.52

Finding the Fourth Proportional to 15,933.05, 21,988.17 and 8,763.52

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Solution

The fourth proportional to 15,933.05, 21,988.17 and 8,763.52 is: 12,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.05 : 21,988.17 = 8,763.52 : x
  2. Step 2: Convert to fraction form
    15,933.05/21,988.17 = 8,763.52/x
  3. Step 3: Cross multiply
    15,933.05x = 21,988.17 × 8,763.52
  4. Step 4: Simplify right side
    15,933.05x = 192,693,767.56
  5. Step 5: Solve for x
    x = 192,693,767.56/15,933.05
  6. Step 6: Final answer
    x = 12,093.97

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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.