Home / 14,099.35-19,457.09-8,130.94

Finding the Fourth Proportional to 14,099.35, 19,457.09 and 8,130.94

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Solution

The fourth proportional to 14,099.35, 19,457.09 and 8,130.94 is: 11,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.35 : 19,457.09 = 8,130.94 : x
  2. Step 2: Convert to fraction form
    14,099.35/19,457.09 = 8,130.94/x
  3. Step 3: Cross multiply
    14,099.35x = 19,457.09 × 8,130.94
  4. Step 4: Simplify right side
    14,099.35x = 158,204,431.36
  5. Step 5: Solve for x
    x = 158,204,431.36/14,099.35
  6. Step 6: Final answer
    x = 11,220.69

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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.