Home / 13,784.92-19,023.21-7,497.28

Finding the Fourth Proportional to 13,784.92, 19,023.21 and 7,497.28

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Solution

The fourth proportional to 13,784.92, 19,023.21 and 7,497.28 is: 10,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.92 : 19,023.21 = 7,497.28 : x
  2. Step 2: Convert to fraction form
    13,784.92/19,023.21 = 7,497.28/x
  3. Step 3: Cross multiply
    13,784.92x = 19,023.21 × 7,497.28
  4. Step 4: Simplify right side
    13,784.92x = 142,622,331.87
  5. Step 5: Solve for x
    x = 142,622,331.87/13,784.92
  6. Step 6: Final answer
    x = 10,346.26

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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.