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Finding the Fourth Proportional to 14,873.88, 20,526.50 and 8,500.36

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Solution

The fourth proportional to 14,873.88, 20,526.50 and 8,500.36 is: 11,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.88 : 20,526.50 = 8,500.36 : x
  2. Step 2: Convert to fraction form
    14,873.88/20,526.50 = 8,500.36/x
  3. Step 3: Cross multiply
    14,873.88x = 20,526.50 × 8,500.36
  4. Step 4: Simplify right side
    14,873.88x = 174,482,639.54
  5. Step 5: Solve for x
    x = 174,482,639.54/14,873.88
  6. Step 6: Final answer
    x = 11,730.81

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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.