Home / 29,299.46-40,423.64-18,692.51

Finding the Fourth Proportional to 29,299.46, 40,423.64 and 18,692.51

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Solution

The fourth proportional to 29,299.46, 40,423.64 and 18,692.51 is: 25,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.46 : 40,423.64 = 18,692.51 : x
  2. Step 2: Convert to fraction form
    29,299.46/40,423.64 = 18,692.51/x
  3. Step 3: Cross multiply
    29,299.46x = 40,423.64 × 18,692.51
  4. Step 4: Simplify right side
    29,299.46x = 755,618,999.36
  5. Step 5: Solve for x
    x = 755,618,999.36/29,299.46
  6. Step 6: Final answer
    x = 25,789.52

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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.