Home / 14,681.22-20,256.57-8,392.02

Finding the Fourth Proportional to 14,681.22, 20,256.57 and 8,392.02

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Solution

The fourth proportional to 14,681.22, 20,256.57 and 8,392.02 is: 11,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.22 : 20,256.57 = 8,392.02 : x
  2. Step 2: Convert to fraction form
    14,681.22/20,256.57 = 8,392.02/x
  3. Step 3: Cross multiply
    14,681.22x = 20,256.57 × 8,392.02
  4. Step 4: Simplify right side
    14,681.22x = 169,993,540.57
  5. Step 5: Solve for x
    x = 169,993,540.57/14,681.22
  6. Step 6: Final answer
    x = 11,578.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.