Home / 13,963.56-19,272.75-8,590.62

Finding the Fourth Proportional to 13,963.56, 19,272.75 and 8,590.62

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Solution

The fourth proportional to 13,963.56, 19,272.75 and 8,590.62 is: 11,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.56 : 19,272.75 = 8,590.62 : x
  2. Step 2: Convert to fraction form
    13,963.56/19,272.75 = 8,590.62/x
  3. Step 3: Cross multiply
    13,963.56x = 19,272.75 × 8,590.62
  4. Step 4: Simplify right side
    13,963.56x = 165,564,871.61
  5. Step 5: Solve for x
    x = 165,564,871.61/13,963.56
  6. Step 6: Final answer
    x = 11,856.92

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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.