Home / 20,062.72-27,686.55-11,110.23

Finding the Fourth Proportional to 20,062.72, 27,686.55 and 11,110.23

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Solution

The fourth proportional to 20,062.72, 27,686.55 and 11,110.23 is: 15,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.72 : 27,686.55 = 11,110.23 : x
  2. Step 2: Convert to fraction form
    20,062.72/27,686.55 = 11,110.23/x
  3. Step 3: Cross multiply
    20,062.72x = 27,686.55 × 11,110.23
  4. Step 4: Simplify right side
    20,062.72x = 307,603,938.41
  5. Step 5: Solve for x
    x = 307,603,938.41/20,062.72
  6. Step 6: Final answer
    x = 15,332.12

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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.