Home / 13,845.96-19,107.45-7,558.34

Finding the Fourth Proportional to 13,845.96, 19,107.45 and 7,558.34

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Solution

The fourth proportional to 13,845.96, 19,107.45 and 7,558.34 is: 10,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.96 : 19,107.45 = 7,558.34 : x
  2. Step 2: Convert to fraction form
    13,845.96/19,107.45 = 7,558.34/x
  3. Step 3: Cross multiply
    13,845.96x = 19,107.45 × 7,558.34
  4. Step 4: Simplify right side
    13,845.96x = 144,420,508.10
  5. Step 5: Solve for x
    x = 144,420,508.10/13,845.96
  6. Step 6: Final answer
    x = 10,430.52

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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.