Home / 21,683.33-29,928-14,116.49

Finding the Fourth Proportional to 21,683.33, 29,928 and 14,116.49

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Solution

The fourth proportional to 21,683.33, 29,928 and 14,116.49 is: 19,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.33 : 29,928 = 14,116.49 : x
  2. Step 2: Convert to fraction form
    21,683.33/29,928 = 14,116.49/x
  3. Step 3: Cross multiply
    21,683.33x = 29,928 × 14,116.49
  4. Step 4: Simplify right side
    21,683.33x = 422,478,312.72
  5. Step 5: Solve for x
    x = 422,478,312.72/21,683.33
  6. Step 6: Final answer
    x = 19,484.01

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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.