Home / 32,985.82-45,520.75-18,838.56

Finding the Fourth Proportional to 32,985.82, 45,520.75 and 18,838.56

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Solution

The fourth proportional to 32,985.82, 45,520.75 and 18,838.56 is: 25,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.82 : 45,520.75 = 18,838.56 : x
  2. Step 2: Convert to fraction form
    32,985.82/45,520.75 = 18,838.56/x
  3. Step 3: Cross multiply
    32,985.82x = 45,520.75 × 18,838.56
  4. Step 4: Simplify right side
    32,985.82x = 857,545,380.12
  5. Step 5: Solve for x
    x = 857,545,380.12/32,985.82
  6. Step 6: Final answer
    x = 25,997.39

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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.