Home / 17,125.55-25,688.34-11,207.42

Finding the Fourth Proportional to 17,125.55, 25,688.34 and 11,207.42

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Solution

The fourth proportional to 17,125.55, 25,688.34 and 11,207.42 is: 16,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.55 : 25,688.34 = 11,207.42 : x
  2. Step 2: Convert to fraction form
    17,125.55/25,688.34 = 11,207.42/x
  3. Step 3: Cross multiply
    17,125.55x = 25,688.34 × 11,207.42
  4. Step 4: Simplify right side
    17,125.55x = 287,899,959.45
  5. Step 5: Solve for x
    x = 287,899,959.45/17,125.55
  6. Step 6: Final answer
    x = 16,811.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.