Home / 13,661.16-20,492.42-6,262.26

Finding the Fourth Proportional to 13,661.16, 20,492.42 and 6,262.26

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Solution

The fourth proportional to 13,661.16, 20,492.42 and 6,262.26 is: 9,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.16 : 20,492.42 = 6,262.26 : x
  2. Step 2: Convert to fraction form
    13,661.16/20,492.42 = 6,262.26/x
  3. Step 3: Cross multiply
    13,661.16x = 20,492.42 × 6,262.26
  4. Step 4: Simplify right side
    13,661.16x = 128,328,886.79
  5. Step 5: Solve for x
    x = 128,328,886.79/13,661.16
  6. Step 6: Final answer
    x = 9,393.71

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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.