Home / 14,186.10-21,302.19-7,274.10

Finding the Fourth Proportional to 14,186.10, 21,302.19 and 7,274.10

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Solution

The fourth proportional to 14,186.10, 21,302.19 and 7,274.10 is: 10,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.10 : 21,302.19 = 7,274.10 : x
  2. Step 2: Convert to fraction form
    14,186.10/21,302.19 = 7,274.10/x
  3. Step 3: Cross multiply
    14,186.10x = 21,302.19 × 7,274.10
  4. Step 4: Simplify right side
    14,186.10x = 154,954,260.28
  5. Step 5: Solve for x
    x = 154,954,260.28/14,186.10
  6. Step 6: Final answer
    x = 10,922.96

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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.