Home / 27,420.15-41,146.68-11,837.76

Finding the Fourth Proportional to 27,420.15, 41,146.68 and 11,837.76

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Solution

The fourth proportional to 27,420.15, 41,146.68 and 11,837.76 is: 17,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.15 : 41,146.68 = 11,837.76 : x
  2. Step 2: Convert to fraction form
    27,420.15/41,146.68 = 11,837.76/x
  3. Step 3: Cross multiply
    27,420.15x = 41,146.68 × 11,837.76
  4. Step 4: Simplify right side
    27,420.15x = 487,084,522.64
  5. Step 5: Solve for x
    x = 487,084,522.64/27,420.15
  6. Step 6: Final answer
    x = 17,763.74

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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.