Home / 20,385.14-30,577.76-5,594.26

Finding the Fourth Proportional to 20,385.14, 30,577.76 and 5,594.26

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Solution

The fourth proportional to 20,385.14, 30,577.76 and 5,594.26 is: 8,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.14 : 30,577.76 = 5,594.26 : x
  2. Step 2: Convert to fraction form
    20,385.14/30,577.76 = 5,594.26/x
  3. Step 3: Cross multiply
    20,385.14x = 30,577.76 × 5,594.26
  4. Step 4: Simplify right side
    20,385.14x = 171,059,939.66
  5. Step 5: Solve for x
    x = 171,059,939.66/20,385.14
  6. Step 6: Final answer
    x = 8,391.40

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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.