Home / 13,572.32-20,371.62-6,557.27

Finding the Fourth Proportional to 13,572.32, 20,371.62 and 6,557.27

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Solution

The fourth proportional to 13,572.32, 20,371.62 and 6,557.27 is: 9,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.32 : 20,371.62 = 6,557.27 : x
  2. Step 2: Convert to fraction form
    13,572.32/20,371.62 = 6,557.27/x
  3. Step 3: Cross multiply
    13,572.32x = 20,371.62 × 6,557.27
  4. Step 4: Simplify right side
    13,572.32x = 133,582,212.68
  5. Step 5: Solve for x
    x = 133,582,212.68/13,572.32
  6. Step 6: Final answer
    x = 9,842.25

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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.