Home / 25,457.22-35,098.65-18,198

Finding the Fourth Proportional to 25,457.22, 35,098.65 and 18,198

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Solution

The fourth proportional to 25,457.22, 35,098.65 and 18,198 is: 25,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.22 : 35,098.65 = 18,198 : x
  2. Step 2: Convert to fraction form
    25,457.22/35,098.65 = 18,198/x
  3. Step 3: Cross multiply
    25,457.22x = 35,098.65 × 18,198
  4. Step 4: Simplify right side
    25,457.22x = 638,725,232.70
  5. Step 5: Solve for x
    x = 638,725,232.70/25,457.22
  6. Step 6: Final answer
    x = 25,090.14

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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.