Home / 13,572.22-20,355.06-5,670.47

Finding the Fourth Proportional to 13,572.22, 20,355.06 and 5,670.47

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Solution

The fourth proportional to 13,572.22, 20,355.06 and 5,670.47 is: 8,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.22 : 20,355.06 = 5,670.47 : x
  2. Step 2: Convert to fraction form
    13,572.22/20,355.06 = 5,670.47/x
  3. Step 3: Cross multiply
    13,572.22x = 20,355.06 × 5,670.47
  4. Step 4: Simplify right side
    13,572.22x = 115,422,757.08
  5. Step 5: Solve for x
    x = 115,422,757.08/13,572.22
  6. Step 6: Final answer
    x = 8,504.34

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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.