Home / 23,449.86-32,360.98-12,840.48

Finding the Fourth Proportional to 23,449.86, 32,360.98 and 12,840.48

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Solution

The fourth proportional to 23,449.86, 32,360.98 and 12,840.48 is: 17,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,449.86 : 32,360.98 = 12,840.48 : x
  2. Step 2: Convert to fraction form
    23,449.86/32,360.98 = 12,840.48/x
  3. Step 3: Cross multiply
    23,449.86x = 32,360.98 × 12,840.48
  4. Step 4: Simplify right side
    23,449.86x = 415,530,516.47
  5. Step 5: Solve for x
    x = 415,530,516.47/23,449.86
  6. Step 6: Final answer
    x = 17,719.96

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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.