Home / 14,027.45-19,358.19-7,739.82

Finding the Fourth Proportional to 14,027.45, 19,358.19 and 7,739.82

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Solution

The fourth proportional to 14,027.45, 19,358.19 and 7,739.82 is: 10,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.45 : 19,358.19 = 7,739.82 : x
  2. Step 2: Convert to fraction form
    14,027.45/19,358.19 = 7,739.82/x
  3. Step 3: Cross multiply
    14,027.45x = 19,358.19 × 7,739.82
  4. Step 4: Simplify right side
    14,027.45x = 149,828,906.13
  5. Step 5: Solve for x
    x = 149,828,906.13/14,027.45
  6. Step 6: Final answer
    x = 10,681.13

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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.