Home / 13,647.32-20,465.94-10,731.32

Finding the Fourth Proportional to 13,647.32, 20,465.94 and 10,731.32

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Solution

The fourth proportional to 13,647.32, 20,465.94 and 10,731.32 is: 16,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.32 : 20,465.94 = 10,731.32 : x
  2. Step 2: Convert to fraction form
    13,647.32/20,465.94 = 10,731.32/x
  3. Step 3: Cross multiply
    13,647.32x = 20,465.94 × 10,731.32
  4. Step 4: Simplify right side
    13,647.32x = 219,626,551.24
  5. Step 5: Solve for x
    x = 219,626,551.24/13,647.32
  6. Step 6: Final answer
    x = 16,093.02

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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.