Home / 13,069.63-18,036.15-7,692.27

Finding the Fourth Proportional to 13,069.63, 18,036.15 and 7,692.27

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Solution

The fourth proportional to 13,069.63, 18,036.15 and 7,692.27 is: 10,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.63 : 18,036.15 = 7,692.27 : x
  2. Step 2: Convert to fraction form
    13,069.63/18,036.15 = 7,692.27/x
  3. Step 3: Cross multiply
    13,069.63x = 18,036.15 × 7,692.27
  4. Step 4: Simplify right side
    13,069.63x = 138,738,935.56
  5. Step 5: Solve for x
    x = 138,738,935.56/13,069.63
  6. Step 6: Final answer
    x = 10,615.37

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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.