Home / 13,943.45-20,910.18-5,056.54

Finding the Fourth Proportional to 13,943.45, 20,910.18 and 5,056.54

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Solution

The fourth proportional to 13,943.45, 20,910.18 and 5,056.54 is: 7,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.45 : 20,910.18 = 5,056.54 : x
  2. Step 2: Convert to fraction form
    13,943.45/20,910.18 = 5,056.54/x
  3. Step 3: Cross multiply
    13,943.45x = 20,910.18 × 5,056.54
  4. Step 4: Simplify right side
    13,943.45x = 105,733,161.58
  5. Step 5: Solve for x
    x = 105,733,161.58/13,943.45
  6. Step 6: Final answer
    x = 7,583.00

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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.