Home / 14,347.30-19,796.03-8,681.91

Finding the Fourth Proportional to 14,347.30, 19,796.03 and 8,681.91

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Solution

The fourth proportional to 14,347.30, 19,796.03 and 8,681.91 is: 11,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.30 : 19,796.03 = 8,681.91 : x
  2. Step 2: Convert to fraction form
    14,347.30/19,796.03 = 8,681.91/x
  3. Step 3: Cross multiply
    14,347.30x = 19,796.03 × 8,681.91
  4. Step 4: Simplify right side
    14,347.30x = 171,867,251.84
  5. Step 5: Solve for x
    x = 171,867,251.84/14,347.30
  6. Step 6: Final answer
    x = 11,979.07

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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.