Home / 23,685.64-32,686.22-12,930.60

Finding the Fourth Proportional to 23,685.64, 32,686.22 and 12,930.60

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Solution

The fourth proportional to 23,685.64, 32,686.22 and 12,930.60 is: 17,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.64 : 32,686.22 = 12,930.60 : x
  2. Step 2: Convert to fraction form
    23,685.64/32,686.22 = 12,930.60/x
  3. Step 3: Cross multiply
    23,685.64x = 32,686.22 × 12,930.60
  4. Step 4: Simplify right side
    23,685.64x = 422,652,436.33
  5. Step 5: Solve for x
    x = 422,652,436.33/23,685.64
  6. Step 6: Final answer
    x = 17,844.25

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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.