Home / 20,058.76-27,681.31-11,106.42

Finding the Fourth Proportional to 20,058.76, 27,681.31 and 11,106.42

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Solution

The fourth proportional to 20,058.76, 27,681.31 and 11,106.42 is: 15,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.76 : 27,681.31 = 11,106.42 : x
  2. Step 2: Convert to fraction form
    20,058.76/27,681.31 = 11,106.42/x
  3. Step 3: Cross multiply
    20,058.76x = 27,681.31 × 11,106.42
  4. Step 4: Simplify right side
    20,058.76x = 307,440,255.01
  5. Step 5: Solve for x
    x = 307,440,255.01/20,058.76
  6. Step 6: Final answer
    x = 15,326.98

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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.