Home / 14,168.29-19,556.67-9,690.43

Finding the Fourth Proportional to 14,168.29, 19,556.67 and 9,690.43

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Solution

The fourth proportional to 14,168.29, 19,556.67 and 9,690.43 is: 13,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.29 : 19,556.67 = 9,690.43 : x
  2. Step 2: Convert to fraction form
    14,168.29/19,556.67 = 9,690.43/x
  3. Step 3: Cross multiply
    14,168.29x = 19,556.67 × 9,690.43
  4. Step 4: Simplify right side
    14,168.29x = 189,512,541.67
  5. Step 5: Solve for x
    x = 189,512,541.67/14,168.29
  6. Step 6: Final answer
    x = 13,375.82

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1.5x scale

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.