Home / 13,760.85-20,649.51-4,996.47

Finding the Fourth Proportional to 13,760.85, 20,649.51 and 4,996.47

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Solution

The fourth proportional to 13,760.85, 20,649.51 and 4,996.47 is: 7,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.85 : 20,649.51 = 4,996.47 : x
  2. Step 2: Convert to fraction form
    13,760.85/20,649.51 = 4,996.47/x
  3. Step 3: Cross multiply
    13,760.85x = 20,649.51 × 4,996.47
  4. Step 4: Simplify right side
    13,760.85x = 103,174,657.23
  5. Step 5: Solve for x
    x = 103,174,657.23/13,760.85
  6. Step 6: Final answer
    x = 7,497.70

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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.