Home / 23,331.59-32,198.09-12,721.31

Finding the Fourth Proportional to 23,331.59, 32,198.09 and 12,721.31

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Solution

The fourth proportional to 23,331.59, 32,198.09 and 12,721.31 is: 17,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.59 : 32,198.09 = 12,721.31 : x
  2. Step 2: Convert to fraction form
    23,331.59/32,198.09 = 12,721.31/x
  3. Step 3: Cross multiply
    23,331.59x = 32,198.09 × 12,721.31
  4. Step 4: Simplify right side
    23,331.59x = 409,601,659.70
  5. Step 5: Solve for x
    x = 409,601,659.70/23,331.59
  6. Step 6: Final answer
    x = 17,555.67

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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.