Home / 14,079.52-19,429.44-7,791.92

Finding the Fourth Proportional to 14,079.52, 19,429.44 and 7,791.92

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Solution

The fourth proportional to 14,079.52, 19,429.44 and 7,791.92 is: 10,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.52 : 19,429.44 = 7,791.92 : x
  2. Step 2: Convert to fraction form
    14,079.52/19,429.44 = 7,791.92/x
  3. Step 3: Cross multiply
    14,079.52x = 19,429.44 × 7,791.92
  4. Step 4: Simplify right side
    14,079.52x = 151,392,642.12
  5. Step 5: Solve for x
    x = 151,392,642.12/14,079.52
  6. Step 6: Final answer
    x = 10,752.68

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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.