Home / 13,892.96-19,172.32-7,605.38

Finding the Fourth Proportional to 13,892.96, 19,172.32 and 7,605.38

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Solution

The fourth proportional to 13,892.96, 19,172.32 and 7,605.38 is: 10,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.96 : 19,172.32 = 7,605.38 : x
  2. Step 2: Convert to fraction form
    13,892.96/19,172.32 = 7,605.38/x
  3. Step 3: Cross multiply
    13,892.96x = 19,172.32 × 7,605.38
  4. Step 4: Simplify right side
    13,892.96x = 145,812,779.08
  5. Step 5: Solve for x
    x = 145,812,779.08/13,892.96
  6. Step 6: Final answer
    x = 10,495.44

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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.