Home / 19,485.62-29,249.09-15,831.95

Finding the Fourth Proportional to 19,485.62, 29,249.09 and 15,831.95

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Solution

The fourth proportional to 19,485.62, 29,249.09 and 15,831.95 is: 23,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.62 : 29,249.09 = 15,831.95 : x
  2. Step 2: Convert to fraction form
    19,485.62/29,249.09 = 15,831.95/x
  3. Step 3: Cross multiply
    19,485.62x = 29,249.09 × 15,831.95
  4. Step 4: Simplify right side
    19,485.62x = 463,070,023.76
  5. Step 5: Solve for x
    x = 463,070,023.76/19,485.62
  6. Step 6: Final answer
    x = 23,764.71

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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.