Home / 20,058.18-27,684.94-13,344.09

Finding the Fourth Proportional to 20,058.18, 27,684.94 and 13,344.09

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Solution

The fourth proportional to 20,058.18, 27,684.94 and 13,344.09 is: 18,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.18 : 27,684.94 = 13,344.09 : x
  2. Step 2: Convert to fraction form
    20,058.18/27,684.94 = 13,344.09/x
  3. Step 3: Cross multiply
    20,058.18x = 27,684.94 × 13,344.09
  4. Step 4: Simplify right side
    20,058.18x = 369,430,331.00
  5. Step 5: Solve for x
    x = 369,430,331.00/20,058.18
  6. Step 6: Final answer
    x = 18,417.94

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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.