Home / 19,367.73-26,728.00-10,870.38

Finding the Fourth Proportional to 19,367.73, 26,728.00 and 10,870.38

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Solution

The fourth proportional to 19,367.73, 26,728.00 and 10,870.38 is: 15,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.73 : 26,728.00 = 10,870.38 : x
  2. Step 2: Convert to fraction form
    19,367.73/26,728.00 = 10,870.38/x
  3. Step 3: Cross multiply
    19,367.73x = 26,728.00 × 10,870.38
  4. Step 4: Simplify right side
    19,367.73x = 290,543,489.46
  5. Step 5: Solve for x
    x = 290,543,489.46/19,367.73
  6. Step 6: Final answer
    x = 15,001.42

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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.