Home / 19,661.26-27,132.35-10,708.74

Finding the Fourth Proportional to 19,661.26, 27,132.35 and 10,708.74

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Solution

The fourth proportional to 19,661.26, 27,132.35 and 10,708.74 is: 14,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.26 : 27,132.35 = 10,708.74 : x
  2. Step 2: Convert to fraction form
    19,661.26/27,132.35 = 10,708.74/x
  3. Step 3: Cross multiply
    19,661.26x = 27,132.35 × 10,708.74
  4. Step 4: Simplify right side
    19,661.26x = 290,553,281.74
  5. Step 5: Solve for x
    x = 290,553,281.74/19,661.26
  6. Step 6: Final answer
    x = 14,777.96

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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.