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Finding the Fourth Proportional to 14,952.64, 20,634.54 and 8,238.11

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Solution

The fourth proportional to 14,952.64, 20,634.54 and 8,238.11 is: 11,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.64 : 20,634.54 = 8,238.11 : x
  2. Step 2: Convert to fraction form
    14,952.64/20,634.54 = 8,238.11/x
  3. Step 3: Cross multiply
    14,952.64x = 20,634.54 × 8,238.11
  4. Step 4: Simplify right side
    14,952.64x = 169,989,610.32
  5. Step 5: Solve for x
    x = 169,989,610.32/14,952.64
  6. Step 6: Final answer
    x = 11,368.53

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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.