Home / 14,027.74-19,356.91-7,739.71

Finding the Fourth Proportional to 14,027.74, 19,356.91 and 7,739.71

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Solution

The fourth proportional to 14,027.74, 19,356.91 and 7,739.71 is: 10,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.74 : 19,356.91 = 7,739.71 : x
  2. Step 2: Convert to fraction form
    14,027.74/19,356.91 = 7,739.71/x
  3. Step 3: Cross multiply
    14,027.74x = 19,356.91 × 7,739.71
  4. Step 4: Simplify right side
    14,027.74x = 149,816,869.90
  5. Step 5: Solve for x
    x = 149,816,869.90/14,027.74
  6. Step 6: Final answer
    x = 10,680.04

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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.