Home / 19,218.12-28,831.83-6,070.47

Finding the Fourth Proportional to 19,218.12, 28,831.83 and 6,070.47

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Solution

The fourth proportional to 19,218.12, 28,831.83 and 6,070.47 is: 9,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.12 : 28,831.83 = 6,070.47 : x
  2. Step 2: Convert to fraction form
    19,218.12/28,831.83 = 6,070.47/x
  3. Step 3: Cross multiply
    19,218.12x = 28,831.83 × 6,070.47
  4. Step 4: Simplify right side
    19,218.12x = 175,022,759.06
  5. Step 5: Solve for x
    x = 175,022,759.06/19,218.12
  6. Step 6: Final answer
    x = 9,107.17

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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.