Home / 17,918.68-24,727.14-9,961.24

Finding the Fourth Proportional to 17,918.68, 24,727.14 and 9,961.24

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Solution

The fourth proportional to 17,918.68, 24,727.14 and 9,961.24 is: 13,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.68 : 24,727.14 = 9,961.24 : x
  2. Step 2: Convert to fraction form
    17,918.68/24,727.14 = 9,961.24/x
  3. Step 3: Cross multiply
    17,918.68x = 24,727.14 × 9,961.24
  4. Step 4: Simplify right side
    17,918.68x = 246,312,976.05
  5. Step 5: Solve for x
    x = 246,312,976.05/17,918.68
  6. Step 6: Final answer
    x = 13,746.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.