Home / 13,964.09-19,270.78-7,676.46

Finding the Fourth Proportional to 13,964.09, 19,270.78 and 7,676.46

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Solution

The fourth proportional to 13,964.09, 19,270.78 and 7,676.46 is: 10,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.09 : 19,270.78 = 7,676.46 : x
  2. Step 2: Convert to fraction form
    13,964.09/19,270.78 = 7,676.46/x
  3. Step 3: Cross multiply
    13,964.09x = 19,270.78 × 7,676.46
  4. Step 4: Simplify right side
    13,964.09x = 147,931,352.65
  5. Step 5: Solve for x
    x = 147,931,352.65/13,964.09
  6. Step 6: Final answer
    x = 10,593.70

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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.