Home / 19,908.66-27,474.05-10,957.06

Finding the Fourth Proportional to 19,908.66, 27,474.05 and 10,957.06

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Solution

The fourth proportional to 19,908.66, 27,474.05 and 10,957.06 is: 15,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.66 : 27,474.05 = 10,957.06 : x
  2. Step 2: Convert to fraction form
    19,908.66/27,474.05 = 10,957.06/x
  3. Step 3: Cross multiply
    19,908.66x = 27,474.05 × 10,957.06
  4. Step 4: Simplify right side
    19,908.66x = 301,034,814.29
  5. Step 5: Solve for x
    x = 301,034,814.29/19,908.66
  6. Step 6: Final answer
    x = 15,120.80

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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.