Home / 13,734.33-18,953.31-7,766.01

Finding the Fourth Proportional to 13,734.33, 18,953.31 and 7,766.01

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Solution

The fourth proportional to 13,734.33, 18,953.31 and 7,766.01 is: 10,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.33 : 18,953.31 = 7,766.01 : x
  2. Step 2: Convert to fraction form
    13,734.33/18,953.31 = 7,766.01/x
  3. Step 3: Cross multiply
    13,734.33x = 18,953.31 × 7,766.01
  4. Step 4: Simplify right side
    13,734.33x = 147,191,594.99
  5. Step 5: Solve for x
    x = 147,191,594.99/13,734.33
  6. Step 6: Final answer
    x = 10,717.06

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Why These Related Problems?

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