Home / 20,058.10-27,681.20-11,106.59

Finding the Fourth Proportional to 20,058.10, 27,681.20 and 11,106.59

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Solution

The fourth proportional to 20,058.10, 27,681.20 and 11,106.59 is: 15,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.10 : 27,681.20 = 11,106.59 : x
  2. Step 2: Convert to fraction form
    20,058.10/27,681.20 = 11,106.59/x
  3. Step 3: Cross multiply
    20,058.10x = 27,681.20 × 11,106.59
  4. Step 4: Simplify right side
    20,058.10x = 307,443,739.11
  5. Step 5: Solve for x
    x = 307,443,739.11/20,058.10
  6. Step 6: Final answer
    x = 15,327.66

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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.