Home / 14,405.36-21,586.53-13,039.94

Finding the Fourth Proportional to 14,405.36, 21,586.53 and 13,039.94

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Solution

The fourth proportional to 14,405.36, 21,586.53 and 13,039.94 is: 19,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.36 : 21,586.53 = 13,039.94 : x
  2. Step 2: Convert to fraction form
    14,405.36/21,586.53 = 13,039.94/x
  3. Step 3: Cross multiply
    14,405.36x = 21,586.53 × 13,039.94
  4. Step 4: Simplify right side
    14,405.36x = 281,487,056.01
  5. Step 5: Solve for x
    x = 281,487,056.01/14,405.36
  6. Step 6: Final answer
    x = 19,540.44

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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.