Home / 14,072.63-19,420.30-7,699.29

Finding the Fourth Proportional to 14,072.63, 19,420.30 and 7,699.29

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Solution

The fourth proportional to 14,072.63, 19,420.30 and 7,699.29 is: 10,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.63 : 19,420.30 = 7,699.29 : x
  2. Step 2: Convert to fraction form
    14,072.63/19,420.30 = 7,699.29/x
  3. Step 3: Cross multiply
    14,072.63x = 19,420.30 × 7,699.29
  4. Step 4: Simplify right side
    14,072.63x = 149,522,545.97
  5. Step 5: Solve for x
    x = 149,522,545.97/14,072.63
  6. Step 6: Final answer
    x = 10,625.06

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1.5x scale

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.