Home / 19,613.11-27,066.62-10,661.22

Finding the Fourth Proportional to 19,613.11, 27,066.62 and 10,661.22

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Solution

The fourth proportional to 19,613.11, 27,066.62 and 10,661.22 is: 14,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.11 : 27,066.62 = 10,661.22 : x
  2. Step 2: Convert to fraction form
    19,613.11/27,066.62 = 10,661.22/x
  3. Step 3: Cross multiply
    19,613.11x = 27,066.62 × 10,661.22
  4. Step 4: Simplify right side
    19,613.11x = 288,563,075.65
  5. Step 5: Solve for x
    x = 288,563,075.65/19,613.11
  6. Step 6: Final answer
    x = 14,712.77

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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.