Home / 43,093.65-64,640.46-13,513.76

Finding the Fourth Proportional to 43,093.65, 64,640.46 and 13,513.76

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Solution

The fourth proportional to 43,093.65, 64,640.46 and 13,513.76 is: 20,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,093.65 : 64,640.46 = 13,513.76 : x
  2. Step 2: Convert to fraction form
    43,093.65/64,640.46 = 13,513.76/x
  3. Step 3: Cross multiply
    43,093.65x = 64,640.46 × 13,513.76
  4. Step 4: Simplify right side
    43,093.65x = 873,535,339.53
  5. Step 5: Solve for x
    x = 873,535,339.53/43,093.65
  6. Step 6: Final answer
    x = 20,270.63

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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.