Home / 14,108.42-21,158.34-4,245.08

Finding the Fourth Proportional to 14,108.42, 21,158.34 and 4,245.08

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Solution

The fourth proportional to 14,108.42, 21,158.34 and 4,245.08 is: 6,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.42 : 21,158.34 = 4,245.08 : x
  2. Step 2: Convert to fraction form
    14,108.42/21,158.34 = 4,245.08/x
  3. Step 3: Cross multiply
    14,108.42x = 21,158.34 × 4,245.08
  4. Step 4: Simplify right side
    14,108.42x = 89,818,845.97
  5. Step 5: Solve for x
    x = 89,818,845.97/14,108.42
  6. Step 6: Final answer
    x = 6,366.33

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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.