Home / 27,518.08-41,294.96-9,986.40

Finding the Fourth Proportional to 27,518.08, 41,294.96 and 9,986.40

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Solution

The fourth proportional to 27,518.08, 41,294.96 and 9,986.40 is: 14,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.08 : 41,294.96 = 9,986.40 : x
  2. Step 2: Convert to fraction form
    27,518.08/41,294.96 = 9,986.40/x
  3. Step 3: Cross multiply
    27,518.08x = 41,294.96 × 9,986.40
  4. Step 4: Simplify right side
    27,518.08x = 412,387,988.54
  5. Step 5: Solve for x
    x = 412,387,988.54/27,518.08
  6. Step 6: Final answer
    x = 14,986.07

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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.