Home / 27,130.28-37,462.61-20,404.19

Finding the Fourth Proportional to 27,130.28, 37,462.61 and 20,404.19

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Solution

The fourth proportional to 27,130.28, 37,462.61 and 20,404.19 is: 28,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.28 : 37,462.61 = 20,404.19 : x
  2. Step 2: Convert to fraction form
    27,130.28/37,462.61 = 20,404.19/x
  3. Step 3: Cross multiply
    27,130.28x = 37,462.61 × 20,404.19
  4. Step 4: Simplify right side
    27,130.28x = 764,394,212.34
  5. Step 5: Solve for x
    x = 764,394,212.34/27,130.28
  6. Step 6: Final answer
    x = 28,174.95

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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.