Home / 37,314.76-55,970.32-13,939.36

Finding the Fourth Proportional to 37,314.76, 55,970.32 and 13,939.36

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Solution

The fourth proportional to 37,314.76, 55,970.32 and 13,939.36 is: 20,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314.76 : 55,970.32 = 13,939.36 : x
  2. Step 2: Convert to fraction form
    37,314.76/55,970.32 = 13,939.36/x
  3. Step 3: Cross multiply
    37,314.76x = 55,970.32 × 13,939.36
  4. Step 4: Simplify right side
    37,314.76x = 780,190,439.80
  5. Step 5: Solve for x
    x = 780,190,439.80/37,314.76
  6. Step 6: Final answer
    x = 20,908.36

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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.