Home / 32,767.76-45,219.46-18,620.60

Finding the Fourth Proportional to 32,767.76, 45,219.46 and 18,620.60

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Solution

The fourth proportional to 32,767.76, 45,219.46 and 18,620.60 is: 25,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,767.76 : 45,219.46 = 18,620.60 : x
  2. Step 2: Convert to fraction form
    32,767.76/45,219.46 = 18,620.60/x
  3. Step 3: Cross multiply
    32,767.76x = 45,219.46 × 18,620.60
  4. Step 4: Simplify right side
    32,767.76x = 842,013,476.88
  5. Step 5: Solve for x
    x = 842,013,476.88/32,767.76
  6. Step 6: Final answer
    x = 25,696.40

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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.