Home / 19,670.51-29,494.83-6,515.71

Finding the Fourth Proportional to 19,670.51, 29,494.83 and 6,515.71

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Solution

The fourth proportional to 19,670.51, 29,494.83 and 6,515.71 is: 9,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.51 : 29,494.83 = 6,515.71 : x
  2. Step 2: Convert to fraction form
    19,670.51/29,494.83 = 6,515.71/x
  3. Step 3: Cross multiply
    19,670.51x = 29,494.83 × 6,515.71
  4. Step 4: Simplify right side
    19,670.51x = 192,179,758.78
  5. Step 5: Solve for x
    x = 192,179,758.78/19,670.51
  6. Step 6: Final answer
    x = 9,769.94

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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.