Home / 14,201.66-21,305.57-5,436.57

Finding the Fourth Proportional to 14,201.66, 21,305.57 and 5,436.57

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Solution

The fourth proportional to 14,201.66, 21,305.57 and 5,436.57 is: 8,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.66 : 21,305.57 = 5,436.57 : x
  2. Step 2: Convert to fraction form
    14,201.66/21,305.57 = 5,436.57/x
  3. Step 3: Cross multiply
    14,201.66x = 21,305.57 × 5,436.57
  4. Step 4: Simplify right side
    14,201.66x = 115,829,195.51
  5. Step 5: Solve for x
    x = 115,829,195.51/14,201.66
  6. Step 6: Final answer
    x = 8,156.04

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1.5x scale

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.