Home / 19,693.44-27,167.55-13,322.25

Finding the Fourth Proportional to 19,693.44, 27,167.55 and 13,322.25

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Solution

The fourth proportional to 19,693.44, 27,167.55 and 13,322.25 is: 18,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.44 : 27,167.55 = 13,322.25 : x
  2. Step 2: Convert to fraction form
    19,693.44/27,167.55 = 13,322.25/x
  3. Step 3: Cross multiply
    19,693.44x = 27,167.55 × 13,322.25
  4. Step 4: Simplify right side
    19,693.44x = 361,932,892.99
  5. Step 5: Solve for x
    x = 361,932,892.99/19,693.44
  6. Step 6: Final answer
    x = 18,378.35

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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.