Home / 32,680.08-45,103.50-18,345.60

Finding the Fourth Proportional to 32,680.08, 45,103.50 and 18,345.60

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Solution

The fourth proportional to 32,680.08, 45,103.50 and 18,345.60 is: 25,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.08 : 45,103.50 = 18,345.60 : x
  2. Step 2: Convert to fraction form
    32,680.08/45,103.50 = 18,345.60/x
  3. Step 3: Cross multiply
    32,680.08x = 45,103.50 × 18,345.60
  4. Step 4: Simplify right side
    32,680.08x = 827,450,769.60
  5. Step 5: Solve for x
    x = 827,450,769.60/32,680.08
  6. Step 6: Final answer
    x = 25,319.73

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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.