Home / 20,058.49-27,680.74-10,983.80

Finding the Fourth Proportional to 20,058.49, 27,680.74 and 10,983.80

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Solution

The fourth proportional to 20,058.49, 27,680.74 and 10,983.80 is: 15,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.49 : 27,680.74 = 10,983.80 : x
  2. Step 2: Convert to fraction form
    20,058.49/27,680.74 = 10,983.80/x
  3. Step 3: Cross multiply
    20,058.49x = 27,680.74 × 10,983.80
  4. Step 4: Simplify right side
    20,058.49x = 304,039,753.75
  5. Step 5: Solve for x
    x = 304,039,753.75/20,058.49
  6. Step 6: Final answer
    x = 15,157.66

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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.