Home / 25,021.52-34,530.12-13,692.00

Finding the Fourth Proportional to 25,021.52, 34,530.12 and 13,692.00

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Solution

The fourth proportional to 25,021.52, 34,530.12 and 13,692.00 is: 18,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.52 : 34,530.12 = 13,692.00 : x
  2. Step 2: Convert to fraction form
    25,021.52/34,530.12 = 13,692.00/x
  3. Step 3: Cross multiply
    25,021.52x = 34,530.12 × 13,692.00
  4. Step 4: Simplify right side
    25,021.52x = 472,786,571.04
  5. Step 5: Solve for x
    x = 472,786,571.04/25,021.52
  6. Step 6: Final answer
    x = 18,895.19

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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.