Home / 19,660.26-27,130.97-10,707.74

Finding the Fourth Proportional to 19,660.26, 27,130.97 and 10,707.74

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Solution

The fourth proportional to 19,660.26, 27,130.97 and 10,707.74 is: 14,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.26 : 27,130.97 = 10,707.74 : x
  2. Step 2: Convert to fraction form
    19,660.26/27,130.97 = 10,707.74/x
  3. Step 3: Cross multiply
    19,660.26x = 27,130.97 × 10,707.74
  4. Step 4: Simplify right side
    19,660.26x = 290,511,372.71
  5. Step 5: Solve for x
    x = 290,511,372.71/19,660.26
  6. Step 6: Final answer
    x = 14,776.58

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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.