Home / 14,167.13-19,548.42-7,879.51

Finding the Fourth Proportional to 14,167.13, 19,548.42 and 7,879.51

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Solution

The fourth proportional to 14,167.13, 19,548.42 and 7,879.51 is: 10,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.13 : 19,548.42 = 7,879.51 : x
  2. Step 2: Convert to fraction form
    14,167.13/19,548.42 = 7,879.51/x
  3. Step 3: Cross multiply
    14,167.13x = 19,548.42 × 7,879.51
  4. Step 4: Simplify right side
    14,167.13x = 154,031,873.13
  5. Step 5: Solve for x
    x = 154,031,873.13/14,167.13
  6. Step 6: Final answer
    x = 10,872.48

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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.