Home / 13,892.67-19,172.40-7,605.06

Finding the Fourth Proportional to 13,892.67, 19,172.40 and 7,605.06

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Solution

The fourth proportional to 13,892.67, 19,172.40 and 7,605.06 is: 10,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.67 : 19,172.40 = 7,605.06 : x
  2. Step 2: Convert to fraction form
    13,892.67/19,172.40 = 7,605.06/x
  3. Step 3: Cross multiply
    13,892.67x = 19,172.40 × 7,605.06
  4. Step 4: Simplify right side
    13,892.67x = 145,807,252.34
  5. Step 5: Solve for x
    x = 145,807,252.34/13,892.67
  6. Step 6: Final answer
    x = 10,495.26

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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.