Home / 13,216.66-19,812.28-4,894.42

Finding the Fourth Proportional to 13,216.66, 19,812.28 and 4,894.42

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Solution

The fourth proportional to 13,216.66, 19,812.28 and 4,894.42 is: 7,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.66 : 19,812.28 = 4,894.42 : x
  2. Step 2: Convert to fraction form
    13,216.66/19,812.28 = 4,894.42/x
  3. Step 3: Cross multiply
    13,216.66x = 19,812.28 × 4,894.42
  4. Step 4: Simplify right side
    13,216.66x = 96,969,619.48
  5. Step 5: Solve for x
    x = 96,969,619.48/13,216.66
  6. Step 6: Final answer
    x = 7,336.92

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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.