Home / 19,823.57-27,342.29-12,267.48

Finding the Fourth Proportional to 19,823.57, 27,342.29 and 12,267.48

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Solution

The fourth proportional to 19,823.57, 27,342.29 and 12,267.48 is: 16,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.57 : 27,342.29 = 12,267.48 : x
  2. Step 2: Convert to fraction form
    19,823.57/27,342.29 = 12,267.48/x
  3. Step 3: Cross multiply
    19,823.57x = 27,342.29 × 12,267.48
  4. Step 4: Simplify right side
    19,823.57x = 335,421,128.93
  5. Step 5: Solve for x
    x = 335,421,128.93/19,823.57
  6. Step 6: Final answer
    x = 16,920.32

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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.