Home / 19,736.28-27,237.98-10,785.15

Finding the Fourth Proportional to 19,736.28, 27,237.98 and 10,785.15

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Solution

The fourth proportional to 19,736.28, 27,237.98 and 10,785.15 is: 14,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.28 : 27,237.98 = 10,785.15 : x
  2. Step 2: Convert to fraction form
    19,736.28/27,237.98 = 10,785.15/x
  3. Step 3: Cross multiply
    19,736.28x = 27,237.98 × 10,785.15
  4. Step 4: Simplify right side
    19,736.28x = 293,765,726.96
  5. Step 5: Solve for x
    x = 293,765,726.96/19,736.28
  6. Step 6: Final answer
    x = 14,884.55

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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.