Home / 19,727.06-27,168.02-19,665.55

Finding the Fourth Proportional to 19,727.06, 27,168.02 and 19,665.55

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Solution

The fourth proportional to 19,727.06, 27,168.02 and 19,665.55 is: 27,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.06 : 27,168.02 = 19,665.55 : x
  2. Step 2: Convert to fraction form
    19,727.06/27,168.02 = 19,665.55/x
  3. Step 3: Cross multiply
    19,727.06x = 27,168.02 × 19,665.55
  4. Step 4: Simplify right side
    19,727.06x = 534,274,055.71
  5. Step 5: Solve for x
    x = 534,274,055.71/19,727.06
  6. Step 6: Final answer
    x = 27,083.31

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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.