Home / 19,613.24-27,066.79-10,661.34

Finding the Fourth Proportional to 19,613.24, 27,066.79 and 10,661.34

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Solution

The fourth proportional to 19,613.24, 27,066.79 and 10,661.34 is: 14,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.24 : 27,066.79 = 10,661.34 : x
  2. Step 2: Convert to fraction form
    19,613.24/27,066.79 = 10,661.34/x
  3. Step 3: Cross multiply
    19,613.24x = 27,066.79 × 10,661.34
  4. Step 4: Simplify right side
    19,613.24x = 288,568,250.90
  5. Step 5: Solve for x
    x = 288,568,250.90/19,613.24
  6. Step 6: Final answer
    x = 14,712.93

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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.