Home / 19,613.73-27,066.29-11,228.61

Finding the Fourth Proportional to 19,613.73, 27,066.29 and 11,228.61

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Solution

The fourth proportional to 19,613.73, 27,066.29 and 11,228.61 is: 15,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.73 : 27,066.29 = 11,228.61 : x
  2. Step 2: Convert to fraction form
    19,613.73/27,066.29 = 11,228.61/x
  3. Step 3: Cross multiply
    19,613.73x = 27,066.29 × 11,228.61
  4. Step 4: Simplify right side
    19,613.73x = 303,916,758.41
  5. Step 5: Solve for x
    x = 303,916,758.41/19,613.73
  6. Step 6: Final answer
    x = 15,495.10

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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.