Home / 20,225.10-27,904.46-11,725.53

Finding the Fourth Proportional to 20,225.10, 27,904.46 and 11,725.53

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Solution

The fourth proportional to 20,225.10, 27,904.46 and 11,725.53 is: 16,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.10 : 27,904.46 = 11,725.53 : x
  2. Step 2: Convert to fraction form
    20,225.10/27,904.46 = 11,725.53/x
  3. Step 3: Cross multiply
    20,225.10x = 27,904.46 × 11,725.53
  4. Step 4: Simplify right side
    20,225.10x = 327,194,494.94
  5. Step 5: Solve for x
    x = 327,194,494.94/20,225.10
  6. Step 6: Final answer
    x = 16,177.64

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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.