Home / 14,074.18-19,423.23-8,105.74

Finding the Fourth Proportional to 14,074.18, 19,423.23 and 8,105.74

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Solution

The fourth proportional to 14,074.18, 19,423.23 and 8,105.74 is: 11,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.18 : 19,423.23 = 8,105.74 : x
  2. Step 2: Convert to fraction form
    14,074.18/19,423.23 = 8,105.74/x
  3. Step 3: Cross multiply
    14,074.18x = 19,423.23 × 8,105.74
  4. Step 4: Simplify right side
    14,074.18x = 157,439,652.34
  5. Step 5: Solve for x
    x = 157,439,652.34/14,074.18
  6. Step 6: Final answer
    x = 11,186.42

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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.