Home / 22,301.36-33,455.10-12,945.77

Finding the Fourth Proportional to 22,301.36, 33,455.10 and 12,945.77

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Solution

The fourth proportional to 22,301.36, 33,455.10 and 12,945.77 is: 19,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.36 : 33,455.10 = 12,945.77 : x
  2. Step 2: Convert to fraction form
    22,301.36/33,455.10 = 12,945.77/x
  3. Step 3: Cross multiply
    22,301.36x = 33,455.10 × 12,945.77
  4. Step 4: Simplify right side
    22,301.36x = 433,102,029.93
  5. Step 5: Solve for x
    x = 433,102,029.93/22,301.36
  6. Step 6: Final answer
    x = 19,420.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.