Home / 13,816.04-19,072.50-8,148.86

Finding the Fourth Proportional to 13,816.04, 19,072.50 and 8,148.86

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Solution

The fourth proportional to 13,816.04, 19,072.50 and 8,148.86 is: 11,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.04 : 19,072.50 = 8,148.86 : x
  2. Step 2: Convert to fraction form
    13,816.04/19,072.50 = 8,148.86/x
  3. Step 3: Cross multiply
    13,816.04x = 19,072.50 × 8,148.86
  4. Step 4: Simplify right side
    13,816.04x = 155,419,132.35
  5. Step 5: Solve for x
    x = 155,419,132.35/13,816.04
  6. Step 6: Final answer
    x = 11,249.18

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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.