Home / 13,477.17-20,261.38-10,863.02

Finding the Fourth Proportional to 13,477.17, 20,261.38 and 10,863.02

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Solution

The fourth proportional to 13,477.17, 20,261.38 and 10,863.02 is: 16,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.17 : 20,261.38 = 10,863.02 : x
  2. Step 2: Convert to fraction form
    13,477.17/20,261.38 = 10,863.02/x
  3. Step 3: Cross multiply
    13,477.17x = 20,261.38 × 10,863.02
  4. Step 4: Simplify right side
    13,477.17x = 220,099,833.25
  5. Step 5: Solve for x
    x = 220,099,833.25/13,477.17
  6. Step 6: Final answer
    x = 16,331.31

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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.