Home / 20,060.95-27,683.78-11,108.26

Finding the Fourth Proportional to 20,060.95, 27,683.78 and 11,108.26

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Solution

The fourth proportional to 20,060.95, 27,683.78 and 11,108.26 is: 15,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.95 : 27,683.78 = 11,108.26 : x
  2. Step 2: Convert to fraction form
    20,060.95/27,683.78 = 11,108.26/x
  3. Step 3: Cross multiply
    20,060.95x = 27,683.78 × 11,108.26
  4. Step 4: Simplify right side
    20,060.95x = 307,518,639.69
  5. Step 5: Solve for x
    x = 307,518,639.69/20,060.95
  6. Step 6: Final answer
    x = 15,329.21

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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.