Home / 19,919.93-29,853.77-14,391.68

Finding the Fourth Proportional to 19,919.93, 29,853.77 and 14,391.68

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Solution

The fourth proportional to 19,919.93, 29,853.77 and 14,391.68 is: 21,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.93 : 29,853.77 = 14,391.68 : x
  2. Step 2: Convert to fraction form
    19,919.93/29,853.77 = 14,391.68/x
  3. Step 3: Cross multiply
    19,919.93x = 29,853.77 × 14,391.68
  4. Step 4: Simplify right side
    19,919.93x = 429,645,683.41
  5. Step 5: Solve for x
    x = 429,645,683.41/19,919.93
  6. Step 6: Final answer
    x = 21,568.64

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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.