Home / 32,989.98-45,518.30-18,650.10

Finding the Fourth Proportional to 32,989.98, 45,518.30 and 18,650.10

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Solution

The fourth proportional to 32,989.98, 45,518.30 and 18,650.10 is: 25,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.98 : 45,518.30 = 18,650.10 : x
  2. Step 2: Convert to fraction form
    32,989.98/45,518.30 = 18,650.10/x
  3. Step 3: Cross multiply
    32,989.98x = 45,518.30 × 18,650.10
  4. Step 4: Simplify right side
    32,989.98x = 848,920,843.08
  5. Step 5: Solve for x
    x = 848,920,843.08/32,989.98
  6. Step 6: Final answer
    x = 25,732.68

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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.