Home / 19,653.14-27,121.33-10,700.64

Finding the Fourth Proportional to 19,653.14, 27,121.33 and 10,700.64

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Solution

The fourth proportional to 19,653.14, 27,121.33 and 10,700.64 is: 14,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.14 : 27,121.33 = 10,700.64 : x
  2. Step 2: Convert to fraction form
    19,653.14/27,121.33 = 10,700.64/x
  3. Step 3: Cross multiply
    19,653.14x = 27,121.33 × 10,700.64
  4. Step 4: Simplify right side
    19,653.14x = 290,215,561.90
  5. Step 5: Solve for x
    x = 290,215,561.90/19,653.14
  6. Step 6: Final answer
    x = 14,766.88

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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.