Home / 13,901.82-19,193.36-9,130.23

Finding the Fourth Proportional to 13,901.82, 19,193.36 and 9,130.23

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Solution

The fourth proportional to 13,901.82, 19,193.36 and 9,130.23 is: 12,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.82 : 19,193.36 = 9,130.23 : x
  2. Step 2: Convert to fraction form
    13,901.82/19,193.36 = 9,130.23/x
  3. Step 3: Cross multiply
    13,901.82x = 19,193.36 × 9,130.23
  4. Step 4: Simplify right side
    13,901.82x = 175,239,745.62
  5. Step 5: Solve for x
    x = 175,239,745.62/13,901.82
  6. Step 6: Final answer
    x = 12,605.53

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Double scale
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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.