Home / 13,589.70-20,398.23-8,048.58

Finding the Fourth Proportional to 13,589.70, 20,398.23 and 8,048.58

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Solution

The fourth proportional to 13,589.70, 20,398.23 and 8,048.58 is: 12,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.70 : 20,398.23 = 8,048.58 : x
  2. Step 2: Convert to fraction form
    13,589.70/20,398.23 = 8,048.58/x
  3. Step 3: Cross multiply
    13,589.70x = 20,398.23 × 8,048.58
  4. Step 4: Simplify right side
    13,589.70x = 164,176,786.01
  5. Step 5: Solve for x
    x = 164,176,786.01/13,589.70
  6. Step 6: Final answer
    x = 12,080.97

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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.