Home / 13,996.84-19,312.14-11,339.26

Finding the Fourth Proportional to 13,996.84, 19,312.14 and 11,339.26

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Solution

The fourth proportional to 13,996.84, 19,312.14 and 11,339.26 is: 15,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.84 : 19,312.14 = 11,339.26 : x
  2. Step 2: Convert to fraction form
    13,996.84/19,312.14 = 11,339.26/x
  3. Step 3: Cross multiply
    13,996.84x = 19,312.14 × 11,339.26
  4. Step 4: Simplify right side
    13,996.84x = 218,985,376.62
  5. Step 5: Solve for x
    x = 218,985,376.62/13,996.84
  6. Step 6: Final answer
    x = 15,645.34

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Half scale
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Double scale
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Similar ratio
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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.