Home / 13,914.48-19,202.28-8,874.24

Finding the Fourth Proportional to 13,914.48, 19,202.28 and 8,874.24

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Solution

The fourth proportional to 13,914.48, 19,202.28 and 8,874.24 is: 12,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.48 : 19,202.28 = 8,874.24 : x
  2. Step 2: Convert to fraction form
    13,914.48/19,202.28 = 8,874.24/x
  3. Step 3: Cross multiply
    13,914.48x = 19,202.28 × 8,874.24
  4. Step 4: Simplify right side
    13,914.48x = 170,405,641.27
  5. Step 5: Solve for x
    x = 170,405,641.27/13,914.48
  6. Step 6: Final answer
    x = 12,246.64

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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.