Home / 18,414.31-25,412.48-10,457.27

Finding the Fourth Proportional to 18,414.31, 25,412.48 and 10,457.27

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Solution

The fourth proportional to 18,414.31, 25,412.48 and 10,457.27 is: 14,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.31 : 25,412.48 = 10,457.27 : x
  2. Step 2: Convert to fraction form
    18,414.31/25,412.48 = 10,457.27/x
  3. Step 3: Cross multiply
    18,414.31x = 25,412.48 × 10,457.27
  4. Step 4: Simplify right side
    18,414.31x = 265,745,175.97
  5. Step 5: Solve for x
    x = 265,745,175.97/18,414.31
  6. Step 6: Final answer
    x = 14,431.45

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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.