Home / 13,913.79-20,794.28-10,173.44

Finding the Fourth Proportional to 13,913.79, 20,794.28 and 10,173.44

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Solution

The fourth proportional to 13,913.79, 20,794.28 and 10,173.44 is: 15,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.79 : 20,794.28 = 10,173.44 : x
  2. Step 2: Convert to fraction form
    13,913.79/20,794.28 = 10,173.44/x
  3. Step 3: Cross multiply
    13,913.79x = 20,794.28 × 10,173.44
  4. Step 4: Simplify right side
    13,913.79x = 211,549,286.36
  5. Step 5: Solve for x
    x = 211,549,286.36/13,913.79
  6. Step 6: Final answer
    x = 15,204.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.