Home / 20,193.04-30,136.01-18,856.14

Finding the Fourth Proportional to 20,193.04, 30,136.01 and 18,856.14

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Solution

The fourth proportional to 20,193.04, 30,136.01 and 18,856.14 is: 28,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.04 : 30,136.01 = 18,856.14 : x
  2. Step 2: Convert to fraction form
    20,193.04/30,136.01 = 18,856.14/x
  3. Step 3: Cross multiply
    20,193.04x = 30,136.01 × 18,856.14
  4. Step 4: Simplify right side
    20,193.04x = 568,248,823.60
  5. Step 5: Solve for x
    x = 568,248,823.60/20,193.04
  6. Step 6: Final answer
    x = 28,140.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.