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Finding the Fourth Proportional to 14,495.98, 21,842.73 and 11,921.17

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Solution

The fourth proportional to 14,495.98, 21,842.73 and 11,921.17 is: 17,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.98 : 21,842.73 = 11,921.17 : x
  2. Step 2: Convert to fraction form
    14,495.98/21,842.73 = 11,921.17/x
  3. Step 3: Cross multiply
    14,495.98x = 21,842.73 × 11,921.17
  4. Step 4: Simplify right side
    14,495.98x = 260,390,897.59
  5. Step 5: Solve for x
    x = 260,390,897.59/14,495.98
  6. Step 6: Final answer
    x = 17,962.97

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.