Home / 13,777.17-20,669.00-5,012.16

Finding the Fourth Proportional to 13,777.17, 20,669.00 and 5,012.16

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Solution

The fourth proportional to 13,777.17, 20,669.00 and 5,012.16 is: 7,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.17 : 20,669.00 = 5,012.16 : x
  2. Step 2: Convert to fraction form
    13,777.17/20,669.00 = 5,012.16/x
  3. Step 3: Cross multiply
    13,777.17x = 20,669.00 × 5,012.16
  4. Step 4: Simplify right side
    13,777.17x = 103,596,309.98
  5. Step 5: Solve for x
    x = 103,596,309.98/13,777.17
  6. Step 6: Final answer
    x = 7,519.42

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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.