Home / 19,737.88-27,237.91-10,785.15

Finding the Fourth Proportional to 19,737.88, 27,237.91 and 10,785.15

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Solution

The fourth proportional to 19,737.88, 27,237.91 and 10,785.15 is: 14,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.88 : 27,237.91 = 10,785.15 : x
  2. Step 2: Convert to fraction form
    19,737.88/27,237.91 = 10,785.15/x
  3. Step 3: Cross multiply
    19,737.88x = 27,237.91 × 10,785.15
  4. Step 4: Simplify right side
    19,737.88x = 293,764,945.04
  5. Step 5: Solve for x
    x = 293,764,945.04/19,737.88
  6. Step 6: Final answer
    x = 14,883.31

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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.