Home / 13,948.61-19,247.83-8,282.45

Finding the Fourth Proportional to 13,948.61, 19,247.83 and 8,282.45

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Solution

The fourth proportional to 13,948.61, 19,247.83 and 8,282.45 is: 11,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.61 : 19,247.83 = 8,282.45 : x
  2. Step 2: Convert to fraction form
    13,948.61/19,247.83 = 8,282.45/x
  3. Step 3: Cross multiply
    13,948.61x = 19,247.83 × 8,282.45
  4. Step 4: Simplify right side
    13,948.61x = 159,419,217.00
  5. Step 5: Solve for x
    x = 159,419,217.00/13,948.61
  6. Step 6: Final answer
    x = 11,429.04

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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.