Home / 22,933.80-31,650.48-13,504.20

Finding the Fourth Proportional to 22,933.80, 31,650.48 and 13,504.20

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Solution

The fourth proportional to 22,933.80, 31,650.48 and 13,504.20 is: 18,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,933.80 : 31,650.48 = 13,504.20 : x
  2. Step 2: Convert to fraction form
    22,933.80/31,650.48 = 13,504.20/x
  3. Step 3: Cross multiply
    22,933.80x = 31,650.48 × 13,504.20
  4. Step 4: Simplify right side
    22,933.80x = 427,414,412.02
  5. Step 5: Solve for x
    x = 427,414,412.02/22,933.80
  6. Step 6: Final answer
    x = 18,636.88

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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.