Home / 18,448.23-25,457.70-10,381.44

Finding the Fourth Proportional to 18,448.23, 25,457.70 and 10,381.44

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Solution

The fourth proportional to 18,448.23, 25,457.70 and 10,381.44 is: 14,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.23 : 25,457.70 = 10,381.44 : x
  2. Step 2: Convert to fraction form
    18,448.23/25,457.70 = 10,381.44/x
  3. Step 3: Cross multiply
    18,448.23x = 25,457.70 × 10,381.44
  4. Step 4: Simplify right side
    18,448.23x = 264,287,585.09
  5. Step 5: Solve for x
    x = 264,287,585.09/18,448.23
  6. Step 6: Final answer
    x = 14,325.90

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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.