Home / 19,247.38-28,897.92-9,895.33

Finding the Fourth Proportional to 19,247.38, 28,897.92 and 9,895.33

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Solution

The fourth proportional to 19,247.38, 28,897.92 and 9,895.33 is: 14,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.38 : 28,897.92 = 9,895.33 : x
  2. Step 2: Convert to fraction form
    19,247.38/28,897.92 = 9,895.33/x
  3. Step 3: Cross multiply
    19,247.38x = 28,897.92 × 9,895.33
  4. Step 4: Simplify right side
    19,247.38x = 285,954,454.71
  5. Step 5: Solve for x
    x = 285,954,454.71/19,247.38
  6. Step 6: Final answer
    x = 14,856.80

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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.