Home / 22,320.76-33,445.52-11,790.32

Finding the Fourth Proportional to 22,320.76, 33,445.52 and 11,790.32

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Solution

The fourth proportional to 22,320.76, 33,445.52 and 11,790.32 is: 17,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.76 : 33,445.52 = 11,790.32 : x
  2. Step 2: Convert to fraction form
    22,320.76/33,445.52 = 11,790.32/x
  3. Step 3: Cross multiply
    22,320.76x = 33,445.52 × 11,790.32
  4. Step 4: Simplify right side
    22,320.76x = 394,333,383.37
  5. Step 5: Solve for x
    x = 394,333,383.37/22,320.76
  6. Step 6: Final answer
    x = 17,666.66

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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.