Home / 19,831.18-29,743.38-6,503.91

Finding the Fourth Proportional to 19,831.18, 29,743.38 and 6,503.91

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Solution

The fourth proportional to 19,831.18, 29,743.38 and 6,503.91 is: 9,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.18 : 29,743.38 = 6,503.91 : x
  2. Step 2: Convert to fraction form
    19,831.18/29,743.38 = 6,503.91/x
  3. Step 3: Cross multiply
    19,831.18x = 29,743.38 × 6,503.91
  4. Step 4: Simplify right side
    19,831.18x = 193,448,266.62
  5. Step 5: Solve for x
    x = 193,448,266.62/19,831.18
  6. Step 6: Final answer
    x = 9,754.75

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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.