Home / 19,767.36-29,660.78-9,238.10

Finding the Fourth Proportional to 19,767.36, 29,660.78 and 9,238.10

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Solution

The fourth proportional to 19,767.36, 29,660.78 and 9,238.10 is: 13,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.36 : 29,660.78 = 9,238.10 : x
  2. Step 2: Convert to fraction form
    19,767.36/29,660.78 = 9,238.10/x
  3. Step 3: Cross multiply
    19,767.36x = 29,660.78 × 9,238.10
  4. Step 4: Simplify right side
    19,767.36x = 274,009,251.72
  5. Step 5: Solve for x
    x = 274,009,251.72/19,767.36
  6. Step 6: Final answer
    x = 13,861.70

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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.