Home / 14,161.65-19,542.66-7,788.23

Finding the Fourth Proportional to 14,161.65, 19,542.66 and 7,788.23

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Solution

The fourth proportional to 14,161.65, 19,542.66 and 7,788.23 is: 10,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.65 : 19,542.66 = 7,788.23 : x
  2. Step 2: Convert to fraction form
    14,161.65/19,542.66 = 7,788.23/x
  3. Step 3: Cross multiply
    14,161.65x = 19,542.66 × 7,788.23
  4. Step 4: Simplify right side
    14,161.65x = 152,202,809.09
  5. Step 5: Solve for x
    x = 152,202,809.09/14,161.65
  6. Step 6: Final answer
    x = 10,747.53

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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.