Home / 14,161.30-21,240.56-4,300.66

Finding the Fourth Proportional to 14,161.30, 21,240.56 and 4,300.66

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Solution

The fourth proportional to 14,161.30, 21,240.56 and 4,300.66 is: 6,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.30 : 21,240.56 = 4,300.66 : x
  2. Step 2: Convert to fraction form
    14,161.30/21,240.56 = 4,300.66/x
  3. Step 3: Cross multiply
    14,161.30x = 21,240.56 × 4,300.66
  4. Step 4: Simplify right side
    14,161.30x = 91,348,384.42
  5. Step 5: Solve for x
    x = 91,348,384.42/14,161.30
  6. Step 6: Final answer
    x = 6,450.57

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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.