Home / 24,572.77-33,876.09-20,780.69

Finding the Fourth Proportional to 24,572.77, 33,876.09 and 20,780.69

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Solution

The fourth proportional to 24,572.77, 33,876.09 and 20,780.69 is: 28,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,572.77 : 33,876.09 = 20,780.69 : x
  2. Step 2: Convert to fraction form
    24,572.77/33,876.09 = 20,780.69/x
  3. Step 3: Cross multiply
    24,572.77x = 33,876.09 × 20,780.69
  4. Step 4: Simplify right side
    24,572.77x = 703,968,355.32
  5. Step 5: Solve for x
    x = 703,968,355.32/24,572.77
  6. Step 6: Final answer
    x = 28,648.31

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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.