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Finding the Fourth Proportional to 14,653.71, 20,228.94 and 9,617.94

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Solution

The fourth proportional to 14,653.71, 20,228.94 and 9,617.94 is: 13,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.71 : 20,228.94 = 9,617.94 : x
  2. Step 2: Convert to fraction form
    14,653.71/20,228.94 = 9,617.94/x
  3. Step 3: Cross multiply
    14,653.71x = 20,228.94 × 9,617.94
  4. Step 4: Simplify right side
    14,653.71x = 194,560,731.18
  5. Step 5: Solve for x
    x = 194,560,731.18/14,653.71
  6. Step 6: Final answer
    x = 13,277.23

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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.