Home / 20,383.63-30,575.49-5,592.76

Finding the Fourth Proportional to 20,383.63, 30,575.49 and 5,592.76

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Solution

The fourth proportional to 20,383.63, 30,575.49 and 5,592.76 is: 8,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.63 : 30,575.49 = 5,592.76 : x
  2. Step 2: Convert to fraction form
    20,383.63/30,575.49 = 5,592.76/x
  3. Step 3: Cross multiply
    20,383.63x = 30,575.49 × 5,592.76
  4. Step 4: Simplify right side
    20,383.63x = 171,001,377.45
  5. Step 5: Solve for x
    x = 171,001,377.45/20,383.63
  6. Step 6: Final answer
    x = 8,389.15

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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.