Home / 15,660.21-23,491.68-3,973.43

Finding the Fourth Proportional to 15,660.21, 23,491.68 and 3,973.43

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Solution

The fourth proportional to 15,660.21, 23,491.68 and 3,973.43 is: 5,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660.21 : 23,491.68 = 3,973.43 : x
  2. Step 2: Convert to fraction form
    15,660.21/23,491.68 = 3,973.43/x
  3. Step 3: Cross multiply
    15,660.21x = 23,491.68 × 3,973.43
  4. Step 4: Simplify right side
    15,660.21x = 93,342,551.76
  5. Step 5: Solve for x
    x = 93,342,551.76/15,660.21
  6. Step 6: Final answer
    x = 5,960.49

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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.