Home / 23,684.64-32,684.84-12,929.60

Finding the Fourth Proportional to 23,684.64, 32,684.84 and 12,929.60

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Solution

The fourth proportional to 23,684.64, 32,684.84 and 12,929.60 is: 17,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,684.64 : 32,684.84 = 12,929.60 : x
  2. Step 2: Convert to fraction form
    23,684.64/32,684.84 = 12,929.60/x
  3. Step 3: Cross multiply
    23,684.64x = 32,684.84 × 12,929.60
  4. Step 4: Simplify right side
    23,684.64x = 422,601,907.26
  5. Step 5: Solve for x
    x = 422,601,907.26/23,684.64
  6. Step 6: Final answer
    x = 17,842.87

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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.