Home / 27,678.68-41,513.55-7,952.75

Finding the Fourth Proportional to 27,678.68, 41,513.55 and 7,952.75

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Solution

The fourth proportional to 27,678.68, 41,513.55 and 7,952.75 is: 11,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678.68 : 41,513.55 = 7,952.75 : x
  2. Step 2: Convert to fraction form
    27,678.68/41,513.55 = 7,952.75/x
  3. Step 3: Cross multiply
    27,678.68x = 41,513.55 × 7,952.75
  4. Step 4: Simplify right side
    27,678.68x = 330,146,677.19
  5. Step 5: Solve for x
    x = 330,146,677.19/27,678.68
  6. Step 6: Final answer
    x = 11,927.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.