Home / 13,224.60-19,851.48-6,649.02

Finding the Fourth Proportional to 13,224.60, 19,851.48 and 6,649.02

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Solution

The fourth proportional to 13,224.60, 19,851.48 and 6,649.02 is: 9,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.60 : 19,851.48 = 6,649.02 : x
  2. Step 2: Convert to fraction form
    13,224.60/19,851.48 = 6,649.02/x
  3. Step 3: Cross multiply
    13,224.60x = 19,851.48 × 6,649.02
  4. Step 4: Simplify right side
    13,224.60x = 131,992,887.55
  5. Step 5: Solve for x
    x = 131,992,887.55/13,224.60
  6. Step 6: Final answer
    x = 9,980.86

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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.