Home / 21,068.66-29,073.98-11,637.02

Finding the Fourth Proportional to 21,068.66, 29,073.98 and 11,637.02

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Solution

The fourth proportional to 21,068.66, 29,073.98 and 11,637.02 is: 16,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.66 : 29,073.98 = 11,637.02 : x
  2. Step 2: Convert to fraction form
    21,068.66/29,073.98 = 11,637.02/x
  3. Step 3: Cross multiply
    21,068.66x = 29,073.98 × 11,637.02
  4. Step 4: Simplify right side
    21,068.66x = 338,334,283.18
  5. Step 5: Solve for x
    x = 338,334,283.18/21,068.66
  6. Step 6: Final answer
    x = 16,058.66

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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.