Home / 19,114.50-26,378.10-10,731

Finding the Fourth Proportional to 19,114.50, 26,378.10 and 10,731

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Solution

The fourth proportional to 19,114.50, 26,378.10 and 10,731 is: 14,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.50 : 26,378.10 = 10,731 : x
  2. Step 2: Convert to fraction form
    19,114.50/26,378.10 = 10,731/x
  3. Step 3: Cross multiply
    19,114.50x = 26,378.10 × 10,731
  4. Step 4: Simplify right side
    19,114.50x = 283,063,391.10
  5. Step 5: Solve for x
    x = 283,063,391.10/19,114.50
  6. Step 6: Final answer
    x = 14,808.83

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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.