Home / 14,702.72-22,066.53-6,389.38

Finding the Fourth Proportional to 14,702.72, 22,066.53 and 6,389.38

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Solution

The fourth proportional to 14,702.72, 22,066.53 and 6,389.38 is: 9,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.72 : 22,066.53 = 6,389.38 : x
  2. Step 2: Convert to fraction form
    14,702.72/22,066.53 = 6,389.38/x
  3. Step 3: Cross multiply
    14,702.72x = 22,066.53 × 6,389.38
  4. Step 4: Simplify right side
    14,702.72x = 140,991,449.07
  5. Step 5: Solve for x
    x = 140,991,449.07/14,702.72
  6. Step 6: Final answer
    x = 9,589.48

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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.