Home / 25,692.99-35,456.57-15,082.80

Finding the Fourth Proportional to 25,692.99, 35,456.57 and 15,082.80

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Solution

The fourth proportional to 25,692.99, 35,456.57 and 15,082.80 is: 20,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.99 : 35,456.57 = 15,082.80 : x
  2. Step 2: Convert to fraction form
    25,692.99/35,456.57 = 15,082.80/x
  3. Step 3: Cross multiply
    25,692.99x = 35,456.57 × 15,082.80
  4. Step 4: Simplify right side
    25,692.99x = 534,784,354.00
  5. Step 5: Solve for x
    x = 534,784,354.00/25,692.99
  6. Step 6: Final answer
    x = 20,814.41

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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.