Home / 17,480.68-26,205.16-8,718.28

Finding the Fourth Proportional to 17,480.68, 26,205.16 and 8,718.28

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Solution

The fourth proportional to 17,480.68, 26,205.16 and 8,718.28 is: 13,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.68 : 26,205.16 = 8,718.28 : x
  2. Step 2: Convert to fraction form
    17,480.68/26,205.16 = 8,718.28/x
  3. Step 3: Cross multiply
    17,480.68x = 26,205.16 × 8,718.28
  4. Step 4: Simplify right side
    17,480.68x = 228,463,922.32
  5. Step 5: Solve for x
    x = 228,463,922.32/17,480.68
  6. Step 6: Final answer
    x = 13,069.51

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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.