Home / 19,622.05-27,077.90-11,123.93

Finding the Fourth Proportional to 19,622.05, 27,077.90 and 11,123.93

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Solution

The fourth proportional to 19,622.05, 27,077.90 and 11,123.93 is: 15,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.05 : 27,077.90 = 11,123.93 : x
  2. Step 2: Convert to fraction form
    19,622.05/27,077.90 = 11,123.93/x
  3. Step 3: Cross multiply
    19,622.05x = 27,077.90 × 11,123.93
  4. Step 4: Simplify right side
    19,622.05x = 301,212,676.22
  5. Step 5: Solve for x
    x = 301,212,676.22/19,622.05
  6. Step 6: Final answer
    x = 15,350.73

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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.