Home / 19,768.30-27,280.89-10,816.06

Finding the Fourth Proportional to 19,768.30, 27,280.89 and 10,816.06

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Solution

The fourth proportional to 19,768.30, 27,280.89 and 10,816.06 is: 14,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.30 : 27,280.89 = 10,816.06 : x
  2. Step 2: Convert to fraction form
    19,768.30/27,280.89 = 10,816.06/x
  3. Step 3: Cross multiply
    19,768.30x = 27,280.89 × 10,816.06
  4. Step 4: Simplify right side
    19,768.30x = 295,071,743.09
  5. Step 5: Solve for x
    x = 295,071,743.09/19,768.30
  6. Step 6: Final answer
    x = 14,926.51

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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.