Home / 20,021.15-27,626.93-11,066.40

Finding the Fourth Proportional to 20,021.15, 27,626.93 and 11,066.40

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Solution

The fourth proportional to 20,021.15, 27,626.93 and 11,066.40 is: 15,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.15 : 27,626.93 = 11,066.40 : x
  2. Step 2: Convert to fraction form
    20,021.15/27,626.93 = 11,066.40/x
  3. Step 3: Cross multiply
    20,021.15x = 27,626.93 × 11,066.40
  4. Step 4: Simplify right side
    20,021.15x = 305,730,658.15
  5. Step 5: Solve for x
    x = 305,730,658.15/20,021.15
  6. Step 6: Final answer
    x = 15,270.38

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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.