Home / 20,010.52-27,616.66-11,513.01

Finding the Fourth Proportional to 20,010.52, 27,616.66 and 11,513.01

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Solution

The fourth proportional to 20,010.52, 27,616.66 and 11,513.01 is: 15,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.52 : 27,616.66 = 11,513.01 : x
  2. Step 2: Convert to fraction form
    20,010.52/27,616.66 = 11,513.01/x
  3. Step 3: Cross multiply
    20,010.52x = 27,616.66 × 11,513.01
  4. Step 4: Simplify right side
    20,010.52x = 317,950,894.22
  5. Step 5: Solve for x
    x = 317,950,894.22/20,010.52
  6. Step 6: Final answer
    x = 15,889.19

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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.