Home / 15,895.11-21,935.29-8,725.08

Finding the Fourth Proportional to 15,895.11, 21,935.29 and 8,725.08

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Solution

The fourth proportional to 15,895.11, 21,935.29 and 8,725.08 is: 12,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.11 : 21,935.29 = 8,725.08 : x
  2. Step 2: Convert to fraction form
    15,895.11/21,935.29 = 8,725.08/x
  3. Step 3: Cross multiply
    15,895.11x = 21,935.29 × 8,725.08
  4. Step 4: Simplify right side
    15,895.11x = 191,387,160.07
  5. Step 5: Solve for x
    x = 191,387,160.07/15,895.11
  6. Step 6: Final answer
    x = 12,040.63

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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.