Home / 15,444.36-21,314.10-8,727.48

Finding the Fourth Proportional to 15,444.36, 21,314.10 and 8,727.48

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Solution

The fourth proportional to 15,444.36, 21,314.10 and 8,727.48 is: 12,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.36 : 21,314.10 = 8,727.48 : x
  2. Step 2: Convert to fraction form
    15,444.36/21,314.10 = 8,727.48/x
  3. Step 3: Cross multiply
    15,444.36x = 21,314.10 × 8,727.48
  4. Step 4: Simplify right side
    15,444.36x = 186,018,381.47
  5. Step 5: Solve for x
    x = 186,018,381.47/15,444.36
  6. Step 6: Final answer
    x = 12,044.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.