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Finding the Fourth Proportional to 14,995.52, 20,694.12 and 8,708.32

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Solution

The fourth proportional to 14,995.52, 20,694.12 and 8,708.32 is: 12,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.52 : 20,694.12 = 8,708.32 : x
  2. Step 2: Convert to fraction form
    14,995.52/20,694.12 = 8,708.32/x
  3. Step 3: Cross multiply
    14,995.52x = 20,694.12 × 8,708.32
  4. Step 4: Simplify right side
    14,995.52x = 180,211,019.08
  5. Step 5: Solve for x
    x = 180,211,019.08/14,995.52
  6. Step 6: Final answer
    x = 12,017.66

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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.