Home / 20,061.00-27,683.81-11,108.47

Finding the Fourth Proportional to 20,061.00, 27,683.81 and 11,108.47

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Solution

The fourth proportional to 20,061.00, 27,683.81 and 11,108.47 is: 15,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.00 : 27,683.81 = 11,108.47 : x
  2. Step 2: Convert to fraction form
    20,061.00/27,683.81 = 11,108.47/x
  3. Step 3: Cross multiply
    20,061.00x = 27,683.81 × 11,108.47
  4. Step 4: Simplify right side
    20,061.00x = 307,524,772.87
  5. Step 5: Solve for x
    x = 307,524,772.87/20,061.00
  6. Step 6: Final answer
    x = 15,329.49

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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.