Home / 19,540.31-26,965.65-10,587.81

Finding the Fourth Proportional to 19,540.31, 26,965.65 and 10,587.81

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Solution

The fourth proportional to 19,540.31, 26,965.65 and 10,587.81 is: 14,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.31 : 26,965.65 = 10,587.81 : x
  2. Step 2: Convert to fraction form
    19,540.31/26,965.65 = 10,587.81/x
  3. Step 3: Cross multiply
    19,540.31x = 26,965.65 × 10,587.81
  4. Step 4: Simplify right side
    19,540.31x = 285,507,178.73
  5. Step 5: Solve for x
    x = 285,507,178.73/19,540.31
  6. Step 6: Final answer
    x = 14,611.19

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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.