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Finding the Fourth Proportional to 15,995.72, 22,073.58 and 8,923.32

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Solution

The fourth proportional to 15,995.72, 22,073.58 and 8,923.32 is: 12,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.72 : 22,073.58 = 8,923.32 : x
  2. Step 2: Convert to fraction form
    15,995.72/22,073.58 = 8,923.32/x
  3. Step 3: Cross multiply
    15,995.72x = 22,073.58 × 8,923.32
  4. Step 4: Simplify right side
    15,995.72x = 196,969,617.89
  5. Step 5: Solve for x
    x = 196,969,617.89/15,995.72
  6. Step 6: Final answer
    x = 12,313.90

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Double scale
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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.