Home / 14,182.03-19,569.79-8,215.62

Finding the Fourth Proportional to 14,182.03, 19,569.79 and 8,215.62

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Solution

The fourth proportional to 14,182.03, 19,569.79 and 8,215.62 is: 11,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.03 : 19,569.79 = 8,215.62 : x
  2. Step 2: Convert to fraction form
    14,182.03/19,569.79 = 8,215.62/x
  3. Step 3: Cross multiply
    14,182.03x = 19,569.79 × 8,215.62
  4. Step 4: Simplify right side
    14,182.03x = 160,777,958.12
  5. Step 5: Solve for x
    x = 160,777,958.12/14,182.03
  6. Step 6: Final answer
    x = 11,336.74

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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.