Home / 16,649.44-24,969.28-13,720.48

Finding the Fourth Proportional to 16,649.44, 24,969.28 and 13,720.48

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Solution

The fourth proportional to 16,649.44, 24,969.28 and 13,720.48 is: 20,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.44 : 24,969.28 = 13,720.48 : x
  2. Step 2: Convert to fraction form
    16,649.44/24,969.28 = 13,720.48/x
  3. Step 3: Cross multiply
    16,649.44x = 24,969.28 × 13,720.48
  4. Step 4: Simplify right side
    16,649.44x = 342,590,506.85
  5. Step 5: Solve for x
    x = 342,590,506.85/16,649.44
  6. Step 6: Final answer
    x = 20,576.70

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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.