Home / 14,239.10-19,648.51-8,272.04

Finding the Fourth Proportional to 14,239.10, 19,648.51 and 8,272.04

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Solution

The fourth proportional to 14,239.10, 19,648.51 and 8,272.04 is: 11,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.10 : 19,648.51 = 8,272.04 : x
  2. Step 2: Convert to fraction form
    14,239.10/19,648.51 = 8,272.04/x
  3. Step 3: Cross multiply
    14,239.10x = 19,648.51 × 8,272.04
  4. Step 4: Simplify right side
    14,239.10x = 162,533,141.74
  5. Step 5: Solve for x
    x = 162,533,141.74/14,239.10
  6. Step 6: Final answer
    x = 11,414.56

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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.