Home / 12,098.16-18,148.86-11,881.08

Finding the Fourth Proportional to 12,098.16, 18,148.86 and 11,881.08

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Solution

The fourth proportional to 12,098.16, 18,148.86 and 11,881.08 is: 17,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.16 : 18,148.86 = 11,881.08 : x
  2. Step 2: Convert to fraction form
    12,098.16/18,148.86 = 11,881.08/x
  3. Step 3: Cross multiply
    12,098.16x = 18,148.86 × 11,881.08
  4. Step 4: Simplify right side
    12,098.16x = 215,628,057.57
  5. Step 5: Solve for x
    x = 215,628,057.57/12,098.16
  6. Step 6: Final answer
    x = 17,823.21

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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.