Home / 19,235.83-28,831.87-8,135.59

Finding the Fourth Proportional to 19,235.83, 28,831.87 and 8,135.59

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Solution

The fourth proportional to 19,235.83, 28,831.87 and 8,135.59 is: 12,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.83 : 28,831.87 = 8,135.59 : x
  2. Step 2: Convert to fraction form
    19,235.83/28,831.87 = 8,135.59/x
  3. Step 3: Cross multiply
    19,235.83x = 28,831.87 × 8,135.59
  4. Step 4: Simplify right side
    19,235.83x = 234,564,273.25
  5. Step 5: Solve for x
    x = 234,564,273.25/19,235.83
  6. Step 6: Final answer
    x = 12,194.13

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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.