Home / 27,109.18-40,661.37-9,578.14

Finding the Fourth Proportional to 27,109.18, 40,661.37 and 9,578.14

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Solution

The fourth proportional to 27,109.18, 40,661.37 and 9,578.14 is: 14,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.18 : 40,661.37 = 9,578.14 : x
  2. Step 2: Convert to fraction form
    27,109.18/40,661.37 = 9,578.14/x
  3. Step 3: Cross multiply
    27,109.18x = 40,661.37 × 9,578.14
  4. Step 4: Simplify right side
    27,109.18x = 389,460,294.45
  5. Step 5: Solve for x
    x = 389,460,294.45/27,109.18
  6. Step 6: Final answer
    x = 14,366.36

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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.