Home / 14,054.48-21,083.88-4,691.60

Finding the Fourth Proportional to 14,054.48, 21,083.88 and 4,691.60

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Solution

The fourth proportional to 14,054.48, 21,083.88 and 4,691.60 is: 7,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.48 : 21,083.88 = 4,691.60 : x
  2. Step 2: Convert to fraction form
    14,054.48/21,083.88 = 4,691.60/x
  3. Step 3: Cross multiply
    14,054.48x = 21,083.88 × 4,691.60
  4. Step 4: Simplify right side
    14,054.48x = 98,917,131.41
  5. Step 5: Solve for x
    x = 98,917,131.41/14,054.48
  6. Step 6: Final answer
    x = 7,038.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.