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Finding the Fourth Proportional to 17,813.10, 26,711.54 and 9,490.98

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Solution

The fourth proportional to 17,813.10, 26,711.54 and 9,490.98 is: 14,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.10 : 26,711.54 = 9,490.98 : x
  2. Step 2: Convert to fraction form
    17,813.10/26,711.54 = 9,490.98/x
  3. Step 3: Cross multiply
    17,813.10x = 26,711.54 × 9,490.98
  4. Step 4: Simplify right side
    17,813.10x = 253,518,691.91
  5. Step 5: Solve for x
    x = 253,518,691.91/17,813.10
  6. Step 6: Final answer
    x = 14,232.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.