Home / 15,937.05-21,992.55-8,863.32

Finding the Fourth Proportional to 15,937.05, 21,992.55 and 8,863.32

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Solution

The fourth proportional to 15,937.05, 21,992.55 and 8,863.32 is: 12,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.05 : 21,992.55 = 8,863.32 : x
  2. Step 2: Convert to fraction form
    15,937.05/21,992.55 = 8,863.32/x
  3. Step 3: Cross multiply
    15,937.05x = 21,992.55 × 8,863.32
  4. Step 4: Simplify right side
    15,937.05x = 194,927,057.50
  5. Step 5: Solve for x
    x = 194,927,057.50/15,937.05
  6. Step 6: Final answer
    x = 12,231.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.