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Finding the Fourth Proportional to 14,371.98, 19,822.08 and 9,337.82

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Solution

The fourth proportional to 14,371.98, 19,822.08 and 9,337.82 is: 12,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.98 : 19,822.08 = 9,337.82 : x
  2. Step 2: Convert to fraction form
    14,371.98/19,822.08 = 9,337.82/x
  3. Step 3: Cross multiply
    14,371.98x = 19,822.08 × 9,337.82
  4. Step 4: Simplify right side
    14,371.98x = 185,094,915.96
  5. Step 5: Solve for x
    x = 185,094,915.96/14,371.98
  6. Step 6: Final answer
    x = 12,878.87

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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.