Home / 19,622.32-27,077.46-11,123.58

Finding the Fourth Proportional to 19,622.32, 27,077.46 and 11,123.58

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Solution

The fourth proportional to 19,622.32, 27,077.46 and 11,123.58 is: 15,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.32 : 27,077.46 = 11,123.58 : x
  2. Step 2: Convert to fraction form
    19,622.32/27,077.46 = 11,123.58/x
  3. Step 3: Cross multiply
    19,622.32x = 27,077.46 × 11,123.58
  4. Step 4: Simplify right side
    19,622.32x = 301,198,292.51
  5. Step 5: Solve for x
    x = 301,198,292.51/19,622.32
  6. Step 6: Final answer
    x = 15,349.78

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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.