Home / 13,233.09-19,857.42-4,918.95

Finding the Fourth Proportional to 13,233.09, 19,857.42 and 4,918.95

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Solution

The fourth proportional to 13,233.09, 19,857.42 and 4,918.95 is: 7,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.09 : 19,857.42 = 4,918.95 : x
  2. Step 2: Convert to fraction form
    13,233.09/19,857.42 = 4,918.95/x
  3. Step 3: Cross multiply
    13,233.09x = 19,857.42 × 4,918.95
  4. Step 4: Simplify right side
    13,233.09x = 97,677,656.11
  5. Step 5: Solve for x
    x = 97,677,656.11/13,233.09
  6. Step 6: Final answer
    x = 7,381.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.