Home / 19,888.35-29,831.85-5,097.41

Finding the Fourth Proportional to 19,888.35, 29,831.85 and 5,097.41

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Solution

The fourth proportional to 19,888.35, 29,831.85 and 5,097.41 is: 7,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.35 : 29,831.85 = 5,097.41 : x
  2. Step 2: Convert to fraction form
    19,888.35/29,831.85 = 5,097.41/x
  3. Step 3: Cross multiply
    19,888.35x = 29,831.85 × 5,097.41
  4. Step 4: Simplify right side
    19,888.35x = 152,065,245.09
  5. Step 5: Solve for x
    x = 152,065,245.09/19,888.35
  6. Step 6: Final answer
    x = 7,645.95

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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.