Home / 13,798.69-19,042.19-7,511.06

Finding the Fourth Proportional to 13,798.69, 19,042.19 and 7,511.06

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Solution

The fourth proportional to 13,798.69, 19,042.19 and 7,511.06 is: 10,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.69 : 19,042.19 = 7,511.06 : x
  2. Step 2: Convert to fraction form
    13,798.69/19,042.19 = 7,511.06/x
  3. Step 3: Cross multiply
    13,798.69x = 19,042.19 × 7,511.06
  4. Step 4: Simplify right side
    13,798.69x = 143,027,069.84
  5. Step 5: Solve for x
    x = 143,027,069.84/13,798.69
  6. Step 6: Final answer
    x = 10,365.27

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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.