Home / 17,212.59-23,709.12-12,168.14

Finding the Fourth Proportional to 17,212.59, 23,709.12 and 12,168.14

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Solution

The fourth proportional to 17,212.59, 23,709.12 and 12,168.14 is: 16,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.59 : 23,709.12 = 12,168.14 : x
  2. Step 2: Convert to fraction form
    17,212.59/23,709.12 = 12,168.14/x
  3. Step 3: Cross multiply
    17,212.59x = 23,709.12 × 12,168.14
  4. Step 4: Simplify right side
    17,212.59x = 288,495,772.89
  5. Step 5: Solve for x
    x = 288,495,772.89/17,212.59
  6. Step 6: Final answer
    x = 16,760.74

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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.