Home / 20,061.28-27,683.49-10,984.89

Finding the Fourth Proportional to 20,061.28, 27,683.49 and 10,984.89

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Solution

The fourth proportional to 20,061.28, 27,683.49 and 10,984.89 is: 15,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.28 : 27,683.49 = 10,984.89 : x
  2. Step 2: Convert to fraction form
    20,061.28/27,683.49 = 10,984.89/x
  3. Step 3: Cross multiply
    20,061.28x = 27,683.49 × 10,984.89
  4. Step 4: Simplify right side
    20,061.28x = 304,100,092.47
  5. Step 5: Solve for x
    x = 304,100,092.47/20,061.28
  6. Step 6: Final answer
    x = 15,158.56

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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.