Home / 22,395.27-30,872.70-15,659.94

Finding the Fourth Proportional to 22,395.27, 30,872.70 and 15,659.94

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Solution

The fourth proportional to 22,395.27, 30,872.70 and 15,659.94 is: 21,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.27 : 30,872.70 = 15,659.94 : x
  2. Step 2: Convert to fraction form
    22,395.27/30,872.70 = 15,659.94/x
  3. Step 3: Cross multiply
    22,395.27x = 30,872.70 × 15,659.94
  4. Step 4: Simplify right side
    22,395.27x = 483,464,629.64
  5. Step 5: Solve for x
    x = 483,464,629.64/22,395.27
  6. Step 6: Final answer
    x = 21,587.80

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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.