Home / 13,953.05-19,255.56-7,579.64

Finding the Fourth Proportional to 13,953.05, 19,255.56 and 7,579.64

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Solution

The fourth proportional to 13,953.05, 19,255.56 and 7,579.64 is: 10,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.05 : 19,255.56 = 7,579.64 : x
  2. Step 2: Convert to fraction form
    13,953.05/19,255.56 = 7,579.64/x
  3. Step 3: Cross multiply
    13,953.05x = 19,255.56 × 7,579.64
  4. Step 4: Simplify right side
    13,953.05x = 145,950,212.80
  5. Step 5: Solve for x
    x = 145,950,212.80/13,953.05
  6. Step 6: Final answer
    x = 10,460.09

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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.