Home / 13,845.39-19,107.03-7,558.17

Finding the Fourth Proportional to 13,845.39, 19,107.03 and 7,558.17

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Solution

The fourth proportional to 13,845.39, 19,107.03 and 7,558.17 is: 10,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.39 : 19,107.03 = 7,558.17 : x
  2. Step 2: Convert to fraction form
    13,845.39/19,107.03 = 7,558.17/x
  3. Step 3: Cross multiply
    13,845.39x = 19,107.03 × 7,558.17
  4. Step 4: Simplify right side
    13,845.39x = 144,414,180.94
  5. Step 5: Solve for x
    x = 144,414,180.94/13,845.39
  6. Step 6: Final answer
    x = 10,430.49

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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.