Home / 14,013.58-19,338.89-7,726.18

Finding the Fourth Proportional to 14,013.58, 19,338.89 and 7,726.18

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Solution

The fourth proportional to 14,013.58, 19,338.89 and 7,726.18 is: 10,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.58 : 19,338.89 = 7,726.18 : x
  2. Step 2: Convert to fraction form
    14,013.58/19,338.89 = 7,726.18/x
  3. Step 3: Cross multiply
    14,013.58x = 19,338.89 × 7,726.18
  4. Step 4: Simplify right side
    14,013.58x = 149,415,745.14
  5. Step 5: Solve for x
    x = 149,415,745.14/14,013.58
  6. Step 6: Final answer
    x = 10,662.21

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Half scale
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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.