Home / 13,315.24-19,972.84-4,550.22

Finding the Fourth Proportional to 13,315.24, 19,972.84 and 4,550.22

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Solution

The fourth proportional to 13,315.24, 19,972.84 and 4,550.22 is: 6,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.24 : 19,972.84 = 4,550.22 : x
  2. Step 2: Convert to fraction form
    13,315.24/19,972.84 = 4,550.22/x
  3. Step 3: Cross multiply
    13,315.24x = 19,972.84 × 4,550.22
  4. Step 4: Simplify right side
    13,315.24x = 90,880,816.02
  5. Step 5: Solve for x
    x = 90,880,816.02/13,315.24
  6. Step 6: Final answer
    x = 6,825.32

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Similar ratio
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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.