Home / 19,685.04-27,167.92-11,301.60

Finding the Fourth Proportional to 19,685.04, 27,167.92 and 11,301.60

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Solution

The fourth proportional to 19,685.04, 27,167.92 and 11,301.60 is: 15,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.04 : 27,167.92 = 11,301.60 : x
  2. Step 2: Convert to fraction form
    19,685.04/27,167.92 = 11,301.60/x
  3. Step 3: Cross multiply
    19,685.04x = 27,167.92 × 11,301.60
  4. Step 4: Simplify right side
    19,685.04x = 307,040,964.67
  5. Step 5: Solve for x
    x = 307,040,964.67/19,685.04
  6. Step 6: Final answer
    x = 15,597.68

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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.