Home / 14,104.12-19,462.80-7,816

Finding the Fourth Proportional to 14,104.12, 19,462.80 and 7,816

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Solution

The fourth proportional to 14,104.12, 19,462.80 and 7,816 is: 10,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.12 : 19,462.80 = 7,816 : x
  2. Step 2: Convert to fraction form
    14,104.12/19,462.80 = 7,816/x
  3. Step 3: Cross multiply
    14,104.12x = 19,462.80 × 7,816
  4. Step 4: Simplify right side
    14,104.12x = 152,121,244.80
  5. Step 5: Solve for x
    x = 152,121,244.80/14,104.12
  6. Step 6: Final answer
    x = 10,785.59

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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.