Home / 13,784.41-19,022.60-7,496.78

Finding the Fourth Proportional to 13,784.41, 19,022.60 and 7,496.78

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Solution

The fourth proportional to 13,784.41, 19,022.60 and 7,496.78 is: 10,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.41 : 19,022.60 = 7,496.78 : x
  2. Step 2: Convert to fraction form
    13,784.41/19,022.60 = 7,496.78/x
  3. Step 3: Cross multiply
    13,784.41x = 19,022.60 × 7,496.78
  4. Step 4: Simplify right side
    13,784.41x = 142,608,247.23
  5. Step 5: Solve for x
    x = 142,608,247.23/13,784.41
  6. Step 6: Final answer
    x = 10,345.62

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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.