Home / 13,445.19-18,554.29-7,476.51

Finding the Fourth Proportional to 13,445.19, 18,554.29 and 7,476.51

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Solution

The fourth proportional to 13,445.19, 18,554.29 and 7,476.51 is: 10,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.19 : 18,554.29 = 7,476.51 : x
  2. Step 2: Convert to fraction form
    13,445.19/18,554.29 = 7,476.51/x
  3. Step 3: Cross multiply
    13,445.19x = 18,554.29 × 7,476.51
  4. Step 4: Simplify right side
    13,445.19x = 138,721,334.73
  5. Step 5: Solve for x
    x = 138,721,334.73/13,445.19
  6. Step 6: Final answer
    x = 10,317.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.