Home / 14,340.17-19,791.74-8,371.82

Finding the Fourth Proportional to 14,340.17, 19,791.74 and 8,371.82

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Solution

The fourth proportional to 14,340.17, 19,791.74 and 8,371.82 is: 11,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.17 : 19,791.74 = 8,371.82 : x
  2. Step 2: Convert to fraction form
    14,340.17/19,791.74 = 8,371.82/x
  3. Step 3: Cross multiply
    14,340.17x = 19,791.74 × 8,371.82
  4. Step 4: Simplify right side
    14,340.17x = 165,692,955.18
  5. Step 5: Solve for x
    x = 165,692,955.18/14,340.17
  6. Step 6: Final answer
    x = 11,554.46

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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.