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Finding the Fourth Proportional to 14,461.59, 19,957.15 and 8,495.17

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Solution

The fourth proportional to 14,461.59, 19,957.15 and 8,495.17 is: 11,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.59 : 19,957.15 = 8,495.17 : x
  2. Step 2: Convert to fraction form
    14,461.59/19,957.15 = 8,495.17/x
  3. Step 3: Cross multiply
    14,461.59x = 19,957.15 × 8,495.17
  4. Step 4: Simplify right side
    14,461.59x = 169,539,381.97
  5. Step 5: Solve for x
    x = 169,539,381.97/14,461.59
  6. Step 6: Final answer
    x = 11,723.43

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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.