Home / 17,018.07-25,500.78-8,686.41

Finding the Fourth Proportional to 17,018.07, 25,500.78 and 8,686.41

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Solution

The fourth proportional to 17,018.07, 25,500.78 and 8,686.41 is: 13,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.07 : 25,500.78 = 8,686.41 : x
  2. Step 2: Convert to fraction form
    17,018.07/25,500.78 = 8,686.41/x
  3. Step 3: Cross multiply
    17,018.07x = 25,500.78 × 8,686.41
  4. Step 4: Simplify right side
    17,018.07x = 221,510,230.40
  5. Step 5: Solve for x
    x = 221,510,230.40/17,018.07
  6. Step 6: Final answer
    x = 13,016.18

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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.