Home / 17,156.20-25,736.70-7,295.40

Finding the Fourth Proportional to 17,156.20, 25,736.70 and 7,295.40

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Solution

The fourth proportional to 17,156.20, 25,736.70 and 7,295.40 is: 10,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.20 : 25,736.70 = 7,295.40 : x
  2. Step 2: Convert to fraction form
    17,156.20/25,736.70 = 7,295.40/x
  3. Step 3: Cross multiply
    17,156.20x = 25,736.70 × 7,295.40
  4. Step 4: Simplify right side
    17,156.20x = 187,759,521.18
  5. Step 5: Solve for x
    x = 187,759,521.18/17,156.20
  6. Step 6: Final answer
    x = 10,944.12

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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.