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Finding the Fourth Proportional to 15,041.43, 20,755.04 and 8,327.00

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Solution

The fourth proportional to 15,041.43, 20,755.04 and 8,327.00 is: 11,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.43 : 20,755.04 = 8,327.00 : x
  2. Step 2: Convert to fraction form
    15,041.43/20,755.04 = 8,327.00/x
  3. Step 3: Cross multiply
    15,041.43x = 20,755.04 × 8,327.00
  4. Step 4: Simplify right side
    15,041.43x = 172,827,228.33
  5. Step 5: Solve for x
    x = 172,827,228.33/15,041.43
  6. Step 6: Final answer
    x = 11,490.08

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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.