Home / 14,336.10-21,504.15-8,489.70

Finding the Fourth Proportional to 14,336.10, 21,504.15 and 8,489.70

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Solution

The fourth proportional to 14,336.10, 21,504.15 and 8,489.70 is: 12,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.10 : 21,504.15 = 8,489.70 : x
  2. Step 2: Convert to fraction form
    14,336.10/21,504.15 = 8,489.70/x
  3. Step 3: Cross multiply
    14,336.10x = 21,504.15 × 8,489.70
  4. Step 4: Simplify right side
    14,336.10x = 182,563,782.26
  5. Step 5: Solve for x
    x = 182,563,782.26/14,336.10
  6. Step 6: Final answer
    x = 12,734.55

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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.