Home / 22,659.40-31,257.30-14,261.32

Finding the Fourth Proportional to 22,659.40, 31,257.30 and 14,261.32

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Solution

The fourth proportional to 22,659.40, 31,257.30 and 14,261.32 is: 19,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.40 : 31,257.30 = 14,261.32 : x
  2. Step 2: Convert to fraction form
    22,659.40/31,257.30 = 14,261.32/x
  3. Step 3: Cross multiply
    22,659.40x = 31,257.30 × 14,261.32
  4. Step 4: Simplify right side
    22,659.40x = 445,770,357.64
  5. Step 5: Solve for x
    x = 445,770,357.64/22,659.40
  6. Step 6: Final answer
    x = 19,672.65

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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.