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Finding the Fourth Proportional to 14,873.18, 20,523.50 and 8,587.58

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Solution

The fourth proportional to 14,873.18, 20,523.50 and 8,587.58 is: 11,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.18 : 20,523.50 = 8,587.58 : x
  2. Step 2: Convert to fraction form
    14,873.18/20,523.50 = 8,587.58/x
  3. Step 3: Cross multiply
    14,873.18x = 20,523.50 × 8,587.58
  4. Step 4: Simplify right side
    14,873.18x = 176,247,198.13
  5. Step 5: Solve for x
    x = 176,247,198.13/14,873.18
  6. Step 6: Final answer
    x = 11,850.00

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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.