Home / 14,103.16-21,156.08-4,743.26

Finding the Fourth Proportional to 14,103.16, 21,156.08 and 4,743.26

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Solution

The fourth proportional to 14,103.16, 21,156.08 and 4,743.26 is: 7,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.16 : 21,156.08 = 4,743.26 : x
  2. Step 2: Convert to fraction form
    14,103.16/21,156.08 = 4,743.26/x
  3. Step 3: Cross multiply
    14,103.16x = 21,156.08 × 4,743.26
  4. Step 4: Simplify right side
    14,103.16x = 100,348,788.02
  5. Step 5: Solve for x
    x = 100,348,788.02/14,103.16
  6. Step 6: Final answer
    x = 7,115.34

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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.