Home / 14,098.37-19,457.82-8,128.87

Finding the Fourth Proportional to 14,098.37, 19,457.82 and 8,128.87

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Solution

The fourth proportional to 14,098.37, 19,457.82 and 8,128.87 is: 11,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.37 : 19,457.82 = 8,128.87 : x
  2. Step 2: Convert to fraction form
    14,098.37/19,457.82 = 8,128.87/x
  3. Step 3: Cross multiply
    14,098.37x = 19,457.82 × 8,128.87
  4. Step 4: Simplify right side
    14,098.37x = 158,170,089.26
  5. Step 5: Solve for x
    x = 158,170,089.26/14,098.37
  6. Step 6: Final answer
    x = 11,219.03

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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.