Home / 14,977.47-22,469.09-5,742.75

Finding the Fourth Proportional to 14,977.47, 22,469.09 and 5,742.75

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Solution

The fourth proportional to 14,977.47, 22,469.09 and 5,742.75 is: 8,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.47 : 22,469.09 = 5,742.75 : x
  2. Step 2: Convert to fraction form
    14,977.47/22,469.09 = 5,742.75/x
  3. Step 3: Cross multiply
    14,977.47x = 22,469.09 × 5,742.75
  4. Step 4: Simplify right side
    14,977.47x = 129,034,337.88
  5. Step 5: Solve for x
    x = 129,034,337.88/14,977.47
  6. Step 6: Final answer
    x = 8,615.23

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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.