Home / 14,072.72-19,416.70-8,404.97

Finding the Fourth Proportional to 14,072.72, 19,416.70 and 8,404.97

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Solution

The fourth proportional to 14,072.72, 19,416.70 and 8,404.97 is: 11,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.72 : 19,416.70 = 8,404.97 : x
  2. Step 2: Convert to fraction form
    14,072.72/19,416.70 = 8,404.97/x
  3. Step 3: Cross multiply
    14,072.72x = 19,416.70 × 8,404.97
  4. Step 4: Simplify right side
    14,072.72x = 163,196,803.64
  5. Step 5: Solve for x
    x = 163,196,803.64/14,072.72
  6. Step 6: Final answer
    x = 11,596.68

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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.