Home / 14,212.80-19,618.56-8,550.72

Finding the Fourth Proportional to 14,212.80, 19,618.56 and 8,550.72

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Solution

The fourth proportional to 14,212.80, 19,618.56 and 8,550.72 is: 11,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.80 : 19,618.56 = 8,550.72 : x
  2. Step 2: Convert to fraction form
    14,212.80/19,618.56 = 8,550.72/x
  3. Step 3: Cross multiply
    14,212.80x = 19,618.56 × 8,550.72
  4. Step 4: Simplify right side
    14,212.80x = 167,752,813.36
  5. Step 5: Solve for x
    x = 167,752,813.36/14,212.80
  6. Step 6: Final answer
    x = 11,802.94

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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.