Home / 14,113.09-21,168.96-5,791.06

Finding the Fourth Proportional to 14,113.09, 21,168.96 and 5,791.06

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Solution

The fourth proportional to 14,113.09, 21,168.96 and 5,791.06 is: 8,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.09 : 21,168.96 = 5,791.06 : x
  2. Step 2: Convert to fraction form
    14,113.09/21,168.96 = 5,791.06/x
  3. Step 3: Cross multiply
    14,113.09x = 21,168.96 × 5,791.06
  4. Step 4: Simplify right side
    14,113.09x = 122,590,717.50
  5. Step 5: Solve for x
    x = 122,590,717.50/14,113.09
  6. Step 6: Final answer
    x = 8,686.31

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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.