Home / 15,644.41-21,593.81-8,933.69

Finding the Fourth Proportional to 15,644.41, 21,593.81 and 8,933.69

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Solution

The fourth proportional to 15,644.41, 21,593.81 and 8,933.69 is: 12,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.41 : 21,593.81 = 8,933.69 : x
  2. Step 2: Convert to fraction form
    15,644.41/21,593.81 = 8,933.69/x
  3. Step 3: Cross multiply
    15,644.41x = 21,593.81 × 8,933.69
  4. Step 4: Simplify right side
    15,644.41x = 192,912,404.46
  5. Step 5: Solve for x
    x = 192,912,404.46/15,644.41
  6. Step 6: Final answer
    x = 12,331.08

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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.