Home / 14,215.30-19,617.73-8,550.36

Finding the Fourth Proportional to 14,215.30, 19,617.73 and 8,550.36

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Solution

The fourth proportional to 14,215.30, 19,617.73 and 8,550.36 is: 11,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.30 : 19,617.73 = 8,550.36 : x
  2. Step 2: Convert to fraction form
    14,215.30/19,617.73 = 8,550.36/x
  3. Step 3: Cross multiply
    14,215.30x = 19,617.73 × 8,550.36
  4. Step 4: Simplify right side
    14,215.30x = 167,738,632.51
  5. Step 5: Solve for x
    x = 167,738,632.51/14,215.30
  6. Step 6: Final answer
    x = 11,799.87

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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.