Home / 13,596.73-18,763.19-7,628.29

Finding the Fourth Proportional to 13,596.73, 18,763.19 and 7,628.29

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Solution

The fourth proportional to 13,596.73, 18,763.19 and 7,628.29 is: 10,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.73 : 18,763.19 = 7,628.29 : x
  2. Step 2: Convert to fraction form
    13,596.73/18,763.19 = 7,628.29/x
  3. Step 3: Cross multiply
    13,596.73x = 18,763.19 × 7,628.29
  4. Step 4: Simplify right side
    13,596.73x = 143,130,969.60
  5. Step 5: Solve for x
    x = 143,130,969.60/13,596.73
  6. Step 6: Final answer
    x = 10,526.87

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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.