Home / 13,791.36-19,032.08-7,503.76

Finding the Fourth Proportional to 13,791.36, 19,032.08 and 7,503.76

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Solution

The fourth proportional to 13,791.36, 19,032.08 and 7,503.76 is: 10,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.36 : 19,032.08 = 7,503.76 : x
  2. Step 2: Convert to fraction form
    13,791.36/19,032.08 = 7,503.76/x
  3. Step 3: Cross multiply
    13,791.36x = 19,032.08 × 7,503.76
  4. Step 4: Simplify right side
    13,791.36x = 142,812,160.62
  5. Step 5: Solve for x
    x = 142,812,160.62/13,791.36
  6. Step 6: Final answer
    x = 10,355.19

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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.