Home / 17,730.75-26,596.14-5,418.75

Finding the Fourth Proportional to 17,730.75, 26,596.14 and 5,418.75

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Solution

The fourth proportional to 17,730.75, 26,596.14 and 5,418.75 is: 8,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.75 : 26,596.14 = 5,418.75 : x
  2. Step 2: Convert to fraction form
    17,730.75/26,596.14 = 5,418.75/x
  3. Step 3: Cross multiply
    17,730.75x = 26,596.14 × 5,418.75
  4. Step 4: Simplify right side
    17,730.75x = 144,117,833.63
  5. Step 5: Solve for x
    x = 144,117,833.63/17,730.75
  6. Step 6: Final answer
    x = 8,128.13

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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.