Home / 14,617.44-21,920.64-5,254.80

Finding the Fourth Proportional to 14,617.44, 21,920.64 and 5,254.80

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Solution

The fourth proportional to 14,617.44, 21,920.64 and 5,254.80 is: 7,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.44 : 21,920.64 = 5,254.80 : x
  2. Step 2: Convert to fraction form
    14,617.44/21,920.64 = 5,254.80/x
  3. Step 3: Cross multiply
    14,617.44x = 21,920.64 × 5,254.80
  4. Step 4: Simplify right side
    14,617.44x = 115,188,579.07
  5. Step 5: Solve for x
    x = 115,188,579.07/14,617.44
  6. Step 6: Final answer
    x = 7,880.22

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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.