Home / 13,950.63-20,908.94-7,710.39

Finding the Fourth Proportional to 13,950.63, 20,908.94 and 7,710.39

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Solution

The fourth proportional to 13,950.63, 20,908.94 and 7,710.39 is: 11,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.63 : 20,908.94 = 7,710.39 : x
  2. Step 2: Convert to fraction form
    13,950.63/20,908.94 = 7,710.39/x
  3. Step 3: Cross multiply
    13,950.63x = 20,908.94 × 7,710.39
  4. Step 4: Simplify right side
    13,950.63x = 161,216,043.33
  5. Step 5: Solve for x
    x = 161,216,043.33/13,950.63
  6. Step 6: Final answer
    x = 11,556.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.