Home / 13,844.61-20,764.71-5,077.44

Finding the Fourth Proportional to 13,844.61, 20,764.71 and 5,077.44

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Solution

The fourth proportional to 13,844.61, 20,764.71 and 5,077.44 is: 7,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.61 : 20,764.71 = 5,077.44 : x
  2. Step 2: Convert to fraction form
    13,844.61/20,764.71 = 5,077.44/x
  3. Step 3: Cross multiply
    13,844.61x = 20,764.71 × 5,077.44
  4. Step 4: Simplify right side
    13,844.61x = 105,431,569.14
  5. Step 5: Solve for x
    x = 105,431,569.14/13,844.61
  6. Step 6: Final answer
    x = 7,615.35

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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.