Home / 27,994.85-38,631.44-17,384.26

Finding the Fourth Proportional to 27,994.85, 38,631.44 and 17,384.26

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Solution

The fourth proportional to 27,994.85, 38,631.44 and 17,384.26 is: 23,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.85 : 38,631.44 = 17,384.26 : x
  2. Step 2: Convert to fraction form
    27,994.85/38,631.44 = 17,384.26/x
  3. Step 3: Cross multiply
    27,994.85x = 38,631.44 × 17,384.26
  4. Step 4: Simplify right side
    27,994.85x = 671,578,717.06
  5. Step 5: Solve for x
    x = 671,578,717.06/27,994.85
  6. Step 6: Final answer
    x = 23,989.37

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.