Home / 19,660.95-27,132.59-10,708.93

Finding the Fourth Proportional to 19,660.95, 27,132.59 and 10,708.93

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Solution

The fourth proportional to 19,660.95, 27,132.59 and 10,708.93 is: 14,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.95 : 27,132.59 = 10,708.93 : x
  2. Step 2: Convert to fraction form
    19,660.95/27,132.59 = 10,708.93/x
  3. Step 3: Cross multiply
    19,660.95x = 27,132.59 × 10,708.93
  4. Step 4: Simplify right side
    19,660.95x = 290,561,007.03
  5. Step 5: Solve for x
    x = 290,561,007.03/19,660.95
  6. Step 6: Final answer
    x = 14,778.58

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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.