Home / 14,255.19-19,671.46-8,589.65

Finding the Fourth Proportional to 14,255.19, 19,671.46 and 8,589.65

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Solution

The fourth proportional to 14,255.19, 19,671.46 and 8,589.65 is: 11,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.19 : 19,671.46 = 8,589.65 : x
  2. Step 2: Convert to fraction form
    14,255.19/19,671.46 = 8,589.65/x
  3. Step 3: Cross multiply
    14,255.19x = 19,671.46 × 8,589.65
  4. Step 4: Simplify right side
    14,255.19x = 168,970,836.56
  5. Step 5: Solve for x
    x = 168,970,836.56/14,255.19
  6. Step 6: Final answer
    x = 11,853.29

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Double scale
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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.