Home / 23,422.53-32,322.60-12,811.80

Finding the Fourth Proportional to 23,422.53, 32,322.60 and 12,811.80

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Solution

The fourth proportional to 23,422.53, 32,322.60 and 12,811.80 is: 17,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,422.53 : 32,322.60 = 12,811.80 : x
  2. Step 2: Convert to fraction form
    23,422.53/32,322.60 = 12,811.80/x
  3. Step 3: Cross multiply
    23,422.53x = 32,322.60 × 12,811.80
  4. Step 4: Simplify right side
    23,422.53x = 414,110,686.68
  5. Step 5: Solve for x
    x = 414,110,686.68/23,422.53
  6. Step 6: Final answer
    x = 17,680.02

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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.