Home / 19,535.12-29,291.64-7,692.56

Finding the Fourth Proportional to 19,535.12, 29,291.64 and 7,692.56

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Solution

The fourth proportional to 19,535.12, 29,291.64 and 7,692.56 is: 11,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.12 : 29,291.64 = 7,692.56 : x
  2. Step 2: Convert to fraction form
    19,535.12/29,291.64 = 7,692.56/x
  3. Step 3: Cross multiply
    19,535.12x = 29,291.64 × 7,692.56
  4. Step 4: Simplify right side
    19,535.12x = 225,327,698.20
  5. Step 5: Solve for x
    x = 225,327,698.20/19,535.12
  6. Step 6: Final answer
    x = 11,534.49

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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.