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Finding the Fourth Proportional to 14,396.35, 19,866.50 and 8,807.35

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Solution

The fourth proportional to 14,396.35, 19,866.50 and 8,807.35 is: 12,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.35 : 19,866.50 = 8,807.35 : x
  2. Step 2: Convert to fraction form
    14,396.35/19,866.50 = 8,807.35/x
  3. Step 3: Cross multiply
    14,396.35x = 19,866.50 × 8,807.35
  4. Step 4: Simplify right side
    14,396.35x = 174,971,174.74
  5. Step 5: Solve for x
    x = 174,971,174.74/14,396.35
  6. Step 6: Final answer
    x = 12,153.86

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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.