Home / 14,725.85-20,328.30-9,692.71

Finding the Fourth Proportional to 14,725.85, 20,328.30 and 9,692.71

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Solution

The fourth proportional to 14,725.85, 20,328.30 and 9,692.71 is: 13,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.85 : 20,328.30 = 9,692.71 : x
  2. Step 2: Convert to fraction form
    14,725.85/20,328.30 = 9,692.71/x
  3. Step 3: Cross multiply
    14,725.85x = 20,328.30 × 9,692.71
  4. Step 4: Simplify right side
    14,725.85x = 197,036,265.87
  5. Step 5: Solve for x
    x = 197,036,265.87/14,725.85
  6. Step 6: Final answer
    x = 13,380.30

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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.