Home / 22,286.97-30,749.90-13,785.01

Finding the Fourth Proportional to 22,286.97, 30,749.90 and 13,785.01

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Solution

The fourth proportional to 22,286.97, 30,749.90 and 13,785.01 is: 19,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.97 : 30,749.90 = 13,785.01 : x
  2. Step 2: Convert to fraction form
    22,286.97/30,749.90 = 13,785.01/x
  3. Step 3: Cross multiply
    22,286.97x = 30,749.90 × 13,785.01
  4. Step 4: Simplify right side
    22,286.97x = 423,887,533.20
  5. Step 5: Solve for x
    x = 423,887,533.20/22,286.97
  6. Step 6: Final answer
    x = 19,019.52

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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.