Home / 19,660.28-27,133.47-11,702.43

Finding the Fourth Proportional to 19,660.28, 27,133.47 and 11,702.43

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Solution

The fourth proportional to 19,660.28, 27,133.47 and 11,702.43 is: 16,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.28 : 27,133.47 = 11,702.43 : x
  2. Step 2: Convert to fraction form
    19,660.28/27,133.47 = 11,702.43/x
  3. Step 3: Cross multiply
    19,660.28x = 27,133.47 × 11,702.43
  4. Step 4: Simplify right side
    19,660.28x = 317,527,533.33
  5. Step 5: Solve for x
    x = 317,527,533.33/19,660.28
  6. Step 6: Final answer
    x = 16,150.72

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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.