Home / 13,816.77-19,069.59-8,151.18

Finding the Fourth Proportional to 13,816.77, 19,069.59 and 8,151.18

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Solution

The fourth proportional to 13,816.77, 19,069.59 and 8,151.18 is: 11,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.77 : 19,069.59 = 8,151.18 : x
  2. Step 2: Convert to fraction form
    13,816.77/19,069.59 = 8,151.18/x
  3. Step 3: Cross multiply
    13,816.77x = 19,069.59 × 8,151.18
  4. Step 4: Simplify right side
    13,816.77x = 155,439,660.62
  5. Step 5: Solve for x
    x = 155,439,660.62/13,816.77
  6. Step 6: Final answer
    x = 11,250.07

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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.