Home / 19,540.09-26,964.04-12,465.75

Finding the Fourth Proportional to 19,540.09, 26,964.04 and 12,465.75

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Solution

The fourth proportional to 19,540.09, 26,964.04 and 12,465.75 is: 17,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.09 : 26,964.04 = 12,465.75 : x
  2. Step 2: Convert to fraction form
    19,540.09/26,964.04 = 12,465.75/x
  3. Step 3: Cross multiply
    19,540.09x = 26,964.04 × 12,465.75
  4. Step 4: Simplify right side
    19,540.09x = 336,126,981.63
  5. Step 5: Solve for x
    x = 336,126,981.63/19,540.09
  6. Step 6: Final answer
    x = 17,201.92

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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.