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Finding the Fourth Proportional to 15,198.54, 20,973.44 and 9,536.34

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Solution

The fourth proportional to 15,198.54, 20,973.44 and 9,536.34 is: 13,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.54 : 20,973.44 = 9,536.34 : x
  2. Step 2: Convert to fraction form
    15,198.54/20,973.44 = 9,536.34/x
  3. Step 3: Cross multiply
    15,198.54x = 20,973.44 × 9,536.34
  4. Step 4: Simplify right side
    15,198.54x = 200,009,807.13
  5. Step 5: Solve for x
    x = 200,009,807.13/15,198.54
  6. Step 6: Final answer
    x = 13,159.80

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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.