Home / 14,166.74-19,550.61-8,118.11

Finding the Fourth Proportional to 14,166.74, 19,550.61 and 8,118.11

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Solution

The fourth proportional to 14,166.74, 19,550.61 and 8,118.11 is: 11,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.74 : 19,550.61 = 8,118.11 : x
  2. Step 2: Convert to fraction form
    14,166.74/19,550.61 = 8,118.11/x
  3. Step 3: Cross multiply
    14,166.74x = 19,550.61 × 8,118.11
  4. Step 4: Simplify right side
    14,166.74x = 158,713,904.79
  5. Step 5: Solve for x
    x = 158,713,904.79/14,166.74
  6. Step 6: Final answer
    x = 11,203.28

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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.