Home / 13,596.28-18,764.84-7,628.51

Finding the Fourth Proportional to 13,596.28, 18,764.84 and 7,628.51

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Solution

The fourth proportional to 13,596.28, 18,764.84 and 7,628.51 is: 10,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.28 : 18,764.84 = 7,628.51 : x
  2. Step 2: Convert to fraction form
    13,596.28/18,764.84 = 7,628.51/x
  3. Step 3: Cross multiply
    13,596.28x = 18,764.84 × 7,628.51
  4. Step 4: Simplify right side
    13,596.28x = 143,147,835.57
  5. Step 5: Solve for x
    x = 143,147,835.57/13,596.28
  6. Step 6: Final answer
    x = 10,528.46

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1.5x scale

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.