Home / 27,550.84-38,020.38-14,975.56

Finding the Fourth Proportional to 27,550.84, 38,020.38 and 14,975.56

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Solution

The fourth proportional to 27,550.84, 38,020.38 and 14,975.56 is: 20,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,550.84 : 38,020.38 = 14,975.56 : x
  2. Step 2: Convert to fraction form
    27,550.84/38,020.38 = 14,975.56/x
  3. Step 3: Cross multiply
    27,550.84x = 38,020.38 × 14,975.56
  4. Step 4: Simplify right side
    27,550.84x = 569,376,481.91
  5. Step 5: Solve for x
    x = 569,376,481.91/27,550.84
  6. Step 6: Final answer
    x = 20,666.39

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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.