Home / 36,856.40-55,243.52-14,663.84

Finding the Fourth Proportional to 36,856.40, 55,243.52 and 14,663.84

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Solution

The fourth proportional to 36,856.40, 55,243.52 and 14,663.84 is: 21,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.40 : 55,243.52 = 14,663.84 : x
  2. Step 2: Convert to fraction form
    36,856.40/55,243.52 = 14,663.84/x
  3. Step 3: Cross multiply
    36,856.40x = 55,243.52 × 14,663.84
  4. Step 4: Simplify right side
    36,856.40x = 810,082,138.32
  5. Step 5: Solve for x
    x = 810,082,138.32/36,856.40
  6. Step 6: Final answer
    x = 21,979.42

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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.