Home / 19,043.40-28,565.10-12,822.60

Finding the Fourth Proportional to 19,043.40, 28,565.10 and 12,822.60

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Solution

The fourth proportional to 19,043.40, 28,565.10 and 12,822.60 is: 19,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.40 : 28,565.10 = 12,822.60 : x
  2. Step 2: Convert to fraction form
    19,043.40/28,565.10 = 12,822.60/x
  3. Step 3: Cross multiply
    19,043.40x = 28,565.10 × 12,822.60
  4. Step 4: Simplify right side
    19,043.40x = 366,278,851.26
  5. Step 5: Solve for x
    x = 366,278,851.26/19,043.40
  6. Step 6: Final answer
    x = 19,233.90

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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.