Home / 14,395.50-21,517.26-12,506.58

Finding the Fourth Proportional to 14,395.50, 21,517.26 and 12,506.58

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Solution

The fourth proportional to 14,395.50, 21,517.26 and 12,506.58 is: 18,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.50 : 21,517.26 = 12,506.58 : x
  2. Step 2: Convert to fraction form
    14,395.50/21,517.26 = 12,506.58/x
  3. Step 3: Cross multiply
    14,395.50x = 21,517.26 × 12,506.58
  4. Step 4: Simplify right side
    14,395.50x = 269,107,333.57
  5. Step 5: Solve for x
    x = 269,107,333.57/14,395.50
  6. Step 6: Final answer
    x = 18,693.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.