Home / 46,586.40-69,874.20-13,311.60

Finding the Fourth Proportional to 46,586.40, 69,874.20 and 13,311.60

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Solution

The fourth proportional to 46,586.40, 69,874.20 and 13,311.60 is: 19,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,586.40 : 69,874.20 = 13,311.60 : x
  2. Step 2: Convert to fraction form
    46,586.40/69,874.20 = 13,311.60/x
  3. Step 3: Cross multiply
    46,586.40x = 69,874.20 × 13,311.60
  4. Step 4: Simplify right side
    46,586.40x = 930,137,400.72
  5. Step 5: Solve for x
    x = 930,137,400.72/46,586.40
  6. Step 6: Final answer
    x = 19,965.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.