Home / 23,319.61-32,181-12,709.24

Finding the Fourth Proportional to 23,319.61, 32,181 and 12,709.24

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Solution

The fourth proportional to 23,319.61, 32,181 and 12,709.24 is: 17,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.61 : 32,181 = 12,709.24 : x
  2. Step 2: Convert to fraction form
    23,319.61/32,181 = 12,709.24/x
  3. Step 3: Cross multiply
    23,319.61x = 32,181 × 12,709.24
  4. Step 4: Simplify right side
    23,319.61x = 408,996,052.44
  5. Step 5: Solve for x
    x = 408,996,052.44/23,319.61
  6. Step 6: Final answer
    x = 17,538.72

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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.