Home / 22,272.60-30,739.23-13,657.26

Finding the Fourth Proportional to 22,272.60, 30,739.23 and 13,657.26

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Solution

The fourth proportional to 22,272.60, 30,739.23 and 13,657.26 is: 18,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.60 : 30,739.23 = 13,657.26 : x
  2. Step 2: Convert to fraction form
    22,272.60/30,739.23 = 13,657.26/x
  3. Step 3: Cross multiply
    22,272.60x = 30,739.23 × 13,657.26
  4. Step 4: Simplify right side
    22,272.60x = 419,813,656.31
  5. Step 5: Solve for x
    x = 419,813,656.31/22,272.60
  6. Step 6: Final answer
    x = 18,848.88

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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.