Home / 34,692.91-47,876.54-18,777.69

Finding the Fourth Proportional to 34,692.91, 47,876.54 and 18,777.69

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Solution

The fourth proportional to 34,692.91, 47,876.54 and 18,777.69 is: 25,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692.91 : 47,876.54 = 18,777.69 : x
  2. Step 2: Convert to fraction form
    34,692.91/47,876.54 = 18,777.69/x
  3. Step 3: Cross multiply
    34,692.91x = 47,876.54 × 18,777.69
  4. Step 4: Simplify right side
    34,692.91x = 899,010,732.50
  5. Step 5: Solve for x
    x = 899,010,732.50/34,692.91
  6. Step 6: Final answer
    x = 25,913.39

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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.