Home / 14,171.71-21,248.45-6,776.01

Finding the Fourth Proportional to 14,171.71, 21,248.45 and 6,776.01

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Solution

The fourth proportional to 14,171.71, 21,248.45 and 6,776.01 is: 10,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.71 : 21,248.45 = 6,776.01 : x
  2. Step 2: Convert to fraction form
    14,171.71/21,248.45 = 6,776.01/x
  3. Step 3: Cross multiply
    14,171.71x = 21,248.45 × 6,776.01
  4. Step 4: Simplify right side
    14,171.71x = 143,979,709.68
  5. Step 5: Solve for x
    x = 143,979,709.68/14,171.71
  6. Step 6: Final answer
    x = 10,159.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.