Home / 14,187.06-19,576.89-8,216.82

Finding the Fourth Proportional to 14,187.06, 19,576.89 and 8,216.82

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Solution

The fourth proportional to 14,187.06, 19,576.89 and 8,216.82 is: 11,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.06 : 19,576.89 = 8,216.82 : x
  2. Step 2: Convert to fraction form
    14,187.06/19,576.89 = 8,216.82/x
  3. Step 3: Cross multiply
    14,187.06x = 19,576.89 × 8,216.82
  4. Step 4: Simplify right side
    14,187.06x = 160,859,781.29
  5. Step 5: Solve for x
    x = 160,859,781.29/14,187.06
  6. Step 6: Final answer
    x = 11,338.49

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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.