Home / 13,853.20-19,105.61-11,710.13

Finding the Fourth Proportional to 13,853.20, 19,105.61 and 11,710.13

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Solution

The fourth proportional to 13,853.20, 19,105.61 and 11,710.13 is: 16,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.20 : 19,105.61 = 11,710.13 : x
  2. Step 2: Convert to fraction form
    13,853.20/19,105.61 = 11,710.13/x
  3. Step 3: Cross multiply
    13,853.20x = 19,105.61 × 11,710.13
  4. Step 4: Simplify right side
    13,853.20x = 223,729,206.49
  5. Step 5: Solve for x
    x = 223,729,206.49/13,853.20
  6. Step 6: Final answer
    x = 16,150.00

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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.