Home / 19,834.19-29,735.52-9,831.90

Finding the Fourth Proportional to 19,834.19, 29,735.52 and 9,831.90

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Solution

The fourth proportional to 19,834.19, 29,735.52 and 9,831.90 is: 14,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.19 : 29,735.52 = 9,831.90 : x
  2. Step 2: Convert to fraction form
    19,834.19/29,735.52 = 9,831.90/x
  3. Step 3: Cross multiply
    19,834.19x = 29,735.52 × 9,831.90
  4. Step 4: Simplify right side
    19,834.19x = 292,356,659.09
  5. Step 5: Solve for x
    x = 292,356,659.09/19,834.19
  6. Step 6: Final answer
    x = 14,740.04

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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.