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Finding the Fourth Proportional to 15,964.37, 22,030.81 and 9,253.88

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Solution

The fourth proportional to 15,964.37, 22,030.81 and 9,253.88 is: 12,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.37 : 22,030.81 = 9,253.88 : x
  2. Step 2: Convert to fraction form
    15,964.37/22,030.81 = 9,253.88/x
  3. Step 3: Cross multiply
    15,964.37x = 22,030.81 × 9,253.88
  4. Step 4: Simplify right side
    15,964.37x = 203,870,540.34
  5. Step 5: Solve for x
    x = 203,870,540.34/15,964.37
  6. Step 6: Final answer
    x = 12,770.35

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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.