Home / 19,257.65-28,862.61-10,912.38

Finding the Fourth Proportional to 19,257.65, 28,862.61 and 10,912.38

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Solution

The fourth proportional to 19,257.65, 28,862.61 and 10,912.38 is: 16,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.65 : 28,862.61 = 10,912.38 : x
  2. Step 2: Convert to fraction form
    19,257.65/28,862.61 = 10,912.38/x
  3. Step 3: Cross multiply
    19,257.65x = 28,862.61 × 10,912.38
  4. Step 4: Simplify right side
    19,257.65x = 314,959,768.11
  5. Step 5: Solve for x
    x = 314,959,768.11/19,257.65
  6. Step 6: Final answer
    x = 16,355.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.