Home / 14,161.12-21,240.31-4,300.49

Finding the Fourth Proportional to 14,161.12, 21,240.31 and 4,300.49

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Solution

The fourth proportional to 14,161.12, 21,240.31 and 4,300.49 is: 6,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.12 : 21,240.31 = 4,300.49 : x
  2. Step 2: Convert to fraction form
    14,161.12/21,240.31 = 4,300.49/x
  3. Step 3: Cross multiply
    14,161.12x = 21,240.31 × 4,300.49
  4. Step 4: Simplify right side
    14,161.12x = 91,343,613.05
  5. Step 5: Solve for x
    x = 91,343,613.05/14,161.12
  6. Step 6: Final answer
    x = 6,450.31

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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.