Home / 20,569.30-30,793.79-18,599.49

Finding the Fourth Proportional to 20,569.30, 30,793.79 and 18,599.49

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Solution

The fourth proportional to 20,569.30, 30,793.79 and 18,599.49 is: 27,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.30 : 30,793.79 = 18,599.49 : x
  2. Step 2: Convert to fraction form
    20,569.30/30,793.79 = 18,599.49/x
  3. Step 3: Cross multiply
    20,569.30x = 30,793.79 × 18,599.49
  4. Step 4: Simplify right side
    20,569.30x = 572,748,835.67
  5. Step 5: Solve for x
    x = 572,748,835.67/20,569.30
  6. Step 6: Final answer
    x = 27,844.84

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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.