Home / 27,954.18-38,567.34-18,986.13

Finding the Fourth Proportional to 27,954.18, 38,567.34 and 18,986.13

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Solution

The fourth proportional to 27,954.18, 38,567.34 and 18,986.13 is: 26,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.18 : 38,567.34 = 18,986.13 : x
  2. Step 2: Convert to fraction form
    27,954.18/38,567.34 = 18,986.13/x
  3. Step 3: Cross multiply
    27,954.18x = 38,567.34 × 18,986.13
  4. Step 4: Simplify right side
    27,954.18x = 732,244,530.99
  5. Step 5: Solve for x
    x = 732,244,530.99/27,954.18
  6. Step 6: Final answer
    x = 26,194.46

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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.