Home / 13,600.02-18,772.71-8,572.71

Finding the Fourth Proportional to 13,600.02, 18,772.71 and 8,572.71

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Solution

The fourth proportional to 13,600.02, 18,772.71 and 8,572.71 is: 11,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.02 : 18,772.71 = 8,572.71 : x
  2. Step 2: Convert to fraction form
    13,600.02/18,772.71 = 8,572.71/x
  3. Step 3: Cross multiply
    13,600.02x = 18,772.71 × 8,572.71
  4. Step 4: Simplify right side
    13,600.02x = 160,932,998.74
  5. Step 5: Solve for x
    x = 160,932,998.74/13,600.02
  6. Step 6: Final answer
    x = 11,833.29

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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.