Home / 13,784.05-19,021.44-7,496.43

Finding the Fourth Proportional to 13,784.05, 19,021.44 and 7,496.43

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Solution

The fourth proportional to 13,784.05, 19,021.44 and 7,496.43 is: 10,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.05 : 19,021.44 = 7,496.43 : x
  2. Step 2: Convert to fraction form
    13,784.05/19,021.44 = 7,496.43/x
  3. Step 3: Cross multiply
    13,784.05x = 19,021.44 × 7,496.43
  4. Step 4: Simplify right side
    13,784.05x = 142,592,893.46
  5. Step 5: Solve for x
    x = 142,592,893.46/13,784.05
  6. Step 6: Final answer
    x = 10,344.77

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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.