Home / 13,032.60-19,539.30-8,862.20

Finding the Fourth Proportional to 13,032.60, 19,539.30 and 8,862.20

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Solution

The fourth proportional to 13,032.60, 19,539.30 and 8,862.20 is: 13,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.60 : 19,539.30 = 8,862.20 : x
  2. Step 2: Convert to fraction form
    13,032.60/19,539.30 = 8,862.20/x
  3. Step 3: Cross multiply
    13,032.60x = 19,539.30 × 8,862.20
  4. Step 4: Simplify right side
    13,032.60x = 173,161,184.46
  5. Step 5: Solve for x
    x = 173,161,184.46/13,032.60
  6. Step 6: Final answer
    x = 13,286.77

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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.