Home / 13,816.05-19,065.01-8,151.04

Finding the Fourth Proportional to 13,816.05, 19,065.01 and 8,151.04

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Solution

The fourth proportional to 13,816.05, 19,065.01 and 8,151.04 is: 11,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.05 : 19,065.01 = 8,151.04 : x
  2. Step 2: Convert to fraction form
    13,816.05/19,065.01 = 8,151.04/x
  3. Step 3: Cross multiply
    13,816.05x = 19,065.01 × 8,151.04
  4. Step 4: Simplify right side
    13,816.05x = 155,399,659.11
  5. Step 5: Solve for x
    x = 155,399,659.11/13,816.05
  6. Step 6: Final answer
    x = 11,247.76

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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.