Home / 27,178.29-40,778.91-11,386.35

Finding the Fourth Proportional to 27,178.29, 40,778.91 and 11,386.35

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Solution

The fourth proportional to 27,178.29, 40,778.91 and 11,386.35 is: 17,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.29 : 40,778.91 = 11,386.35 : x
  2. Step 2: Convert to fraction form
    27,178.29/40,778.91 = 11,386.35/x
  3. Step 3: Cross multiply
    27,178.29x = 40,778.91 × 11,386.35
  4. Step 4: Simplify right side
    27,178.29x = 464,322,941.88
  5. Step 5: Solve for x
    x = 464,322,941.88/27,178.29
  6. Step 6: Final answer
    x = 17,084.33

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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.