Home / 20,058.68-27,681.27-11,556.11

Finding the Fourth Proportional to 20,058.68, 27,681.27 and 11,556.11

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Solution

The fourth proportional to 20,058.68, 27,681.27 and 11,556.11 is: 15,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.68 : 27,681.27 = 11,556.11 : x
  2. Step 2: Convert to fraction form
    20,058.68/27,681.27 = 11,556.11/x
  3. Step 3: Cross multiply
    20,058.68x = 27,681.27 × 11,556.11
  4. Step 4: Simplify right side
    20,058.68x = 319,887,801.06
  5. Step 5: Solve for x
    x = 319,887,801.06/20,058.68
  6. Step 6: Final answer
    x = 15,947.60

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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.