Home / 13,948.82-19,246.32-8,285.43

Finding the Fourth Proportional to 13,948.82, 19,246.32 and 8,285.43

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Solution

The fourth proportional to 13,948.82, 19,246.32 and 8,285.43 is: 11,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.82 : 19,246.32 = 8,285.43 : x
  2. Step 2: Convert to fraction form
    13,948.82/19,246.32 = 8,285.43/x
  3. Step 3: Cross multiply
    13,948.82x = 19,246.32 × 8,285.43
  4. Step 4: Simplify right side
    13,948.82x = 159,464,037.12
  5. Step 5: Solve for x
    x = 159,464,037.12/13,948.82
  6. Step 6: Final answer
    x = 11,432.08

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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.