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Finding the Fourth Proportional to 14,456.88, 19,960.02 and 9,361.98

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Solution

The fourth proportional to 14,456.88, 19,960.02 and 9,361.98 is: 12,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.88 : 19,960.02 = 9,361.98 : x
  2. Step 2: Convert to fraction form
    14,456.88/19,960.02 = 9,361.98/x
  3. Step 3: Cross multiply
    14,456.88x = 19,960.02 × 9,361.98
  4. Step 4: Simplify right side
    14,456.88x = 186,865,308.04
  5. Step 5: Solve for x
    x = 186,865,308.04/14,456.88
  6. Step 6: Final answer
    x = 12,925.70

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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.