Home / 15,593.49-21,517.36-9,220.32

Finding the Fourth Proportional to 15,593.49, 21,517.36 and 9,220.32

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Solution

The fourth proportional to 15,593.49, 21,517.36 and 9,220.32 is: 12,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.49 : 21,517.36 = 9,220.32 : x
  2. Step 2: Convert to fraction form
    15,593.49/21,517.36 = 9,220.32/x
  3. Step 3: Cross multiply
    15,593.49x = 21,517.36 × 9,220.32
  4. Step 4: Simplify right side
    15,593.49x = 198,397,002.39
  5. Step 5: Solve for x
    x = 198,397,002.39/15,593.49
  6. Step 6: Final answer
    x = 12,723.07

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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.