Home / 19,366.56-29,049.12-11,983.68

Finding the Fourth Proportional to 19,366.56, 29,049.12 and 11,983.68

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Solution

The fourth proportional to 19,366.56, 29,049.12 and 11,983.68 is: 17,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.56 : 29,049.12 = 11,983.68 : x
  2. Step 2: Convert to fraction form
    19,366.56/29,049.12 = 11,983.68/x
  3. Step 3: Cross multiply
    19,366.56x = 29,049.12 × 11,983.68
  4. Step 4: Simplify right side
    19,366.56x = 348,115,358.36
  5. Step 5: Solve for x
    x = 348,115,358.36/19,366.56
  6. Step 6: Final answer
    x = 17,975.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.