Home / 17,308.55-23,872.20-12,529.20

Finding the Fourth Proportional to 17,308.55, 23,872.20 and 12,529.20

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Solution

The fourth proportional to 17,308.55, 23,872.20 and 12,529.20 is: 17,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,308.55 : 23,872.20 = 12,529.20 : x
  2. Step 2: Convert to fraction form
    17,308.55/23,872.20 = 12,529.20/x
  3. Step 3: Cross multiply
    17,308.55x = 23,872.20 × 12,529.20
  4. Step 4: Simplify right side
    17,308.55x = 299,099,568.24
  5. Step 5: Solve for x
    x = 299,099,568.24/17,308.55
  6. Step 6: Final answer
    x = 17,280.46

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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.