Home / 19,686.98-27,167.44-10,734.66

Finding the Fourth Proportional to 19,686.98, 27,167.44 and 10,734.66

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Solution

The fourth proportional to 19,686.98, 27,167.44 and 10,734.66 is: 14,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.98 : 27,167.44 = 10,734.66 : x
  2. Step 2: Convert to fraction form
    19,686.98/27,167.44 = 10,734.66/x
  3. Step 3: Cross multiply
    19,686.98x = 27,167.44 × 10,734.66
  4. Step 4: Simplify right side
    19,686.98x = 291,633,204.63
  5. Step 5: Solve for x
    x = 291,633,204.63/19,686.98
  6. Step 6: Final answer
    x = 14,813.50

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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.