Home / 13,721.27-20,577.83-5,823.66

Finding the Fourth Proportional to 13,721.27, 20,577.83 and 5,823.66

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Solution

The fourth proportional to 13,721.27, 20,577.83 and 5,823.66 is: 8,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721.27 : 20,577.83 = 5,823.66 : x
  2. Step 2: Convert to fraction form
    13,721.27/20,577.83 = 5,823.66/x
  3. Step 3: Cross multiply
    13,721.27x = 20,577.83 × 5,823.66
  4. Step 4: Simplify right side
    13,721.27x = 119,838,256.34
  5. Step 5: Solve for x
    x = 119,838,256.34/13,721.27
  6. Step 6: Final answer
    x = 8,733.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.