Home / 19,612.98-27,066.45-10,661.09

Finding the Fourth Proportional to 19,612.98, 27,066.45 and 10,661.09

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Solution

The fourth proportional to 19,612.98, 27,066.45 and 10,661.09 is: 14,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.98 : 27,066.45 = 10,661.09 : x
  2. Step 2: Convert to fraction form
    19,612.98/27,066.45 = 10,661.09/x
  3. Step 3: Cross multiply
    19,612.98x = 27,066.45 × 10,661.09
  4. Step 4: Simplify right side
    19,612.98x = 288,557,806.13
  5. Step 5: Solve for x
    x = 288,557,806.13/19,612.98
  6. Step 6: Final answer
    x = 14,712.59

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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.