Home / 36,954.16-55,416.86-11,988.17

Finding the Fourth Proportional to 36,954.16, 55,416.86 and 11,988.17

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Solution

The fourth proportional to 36,954.16, 55,416.86 and 11,988.17 is: 17,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,954.16 : 55,416.86 = 11,988.17 : x
  2. Step 2: Convert to fraction form
    36,954.16/55,416.86 = 11,988.17/x
  3. Step 3: Cross multiply
    36,954.16x = 55,416.86 × 11,988.17
  4. Step 4: Simplify right side
    36,954.16x = 664,346,654.29
  5. Step 5: Solve for x
    x = 664,346,654.29/36,954.16
  6. Step 6: Final answer
    x = 17,977.59

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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.