Home / 19,660.06-27,131.40-10,707.94

Finding the Fourth Proportional to 19,660.06, 27,131.40 and 10,707.94

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Solution

The fourth proportional to 19,660.06, 27,131.40 and 10,707.94 is: 14,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.06 : 27,131.40 = 10,707.94 : x
  2. Step 2: Convert to fraction form
    19,660.06/27,131.40 = 10,707.94/x
  3. Step 3: Cross multiply
    19,660.06x = 27,131.40 × 10,707.94
  4. Step 4: Simplify right side
    19,660.06x = 290,521,403.32
  5. Step 5: Solve for x
    x = 290,521,403.32/19,660.06
  6. Step 6: Final answer
    x = 14,777.24

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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.