Home / 23,140.46-31,936.74-13,069.37

Finding the Fourth Proportional to 23,140.46, 31,936.74 and 13,069.37

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Solution

The fourth proportional to 23,140.46, 31,936.74 and 13,069.37 is: 18,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.46 : 31,936.74 = 13,069.37 : x
  2. Step 2: Convert to fraction form
    23,140.46/31,936.74 = 13,069.37/x
  3. Step 3: Cross multiply
    23,140.46x = 31,936.74 × 13,069.37
  4. Step 4: Simplify right side
    23,140.46x = 417,393,071.65
  5. Step 5: Solve for x
    x = 417,393,071.65/23,140.46
  6. Step 6: Final answer
    x = 18,037.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.