Home / 23,346.28-32,221.56-13,920.31

Finding the Fourth Proportional to 23,346.28, 32,221.56 and 13,920.31

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Solution

The fourth proportional to 23,346.28, 32,221.56 and 13,920.31 is: 19,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,346.28 : 32,221.56 = 13,920.31 : x
  2. Step 2: Convert to fraction form
    23,346.28/32,221.56 = 13,920.31/x
  3. Step 3: Cross multiply
    23,346.28x = 32,221.56 × 13,920.31
  4. Step 4: Simplify right side
    23,346.28x = 448,534,103.88
  5. Step 5: Solve for x
    x = 448,534,103.88/23,346.28
  6. Step 6: Final answer
    x = 19,212.23

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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.