Home / 13,820.26-19,072.75-10,457.24

Finding the Fourth Proportional to 13,820.26, 19,072.75 and 10,457.24

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Solution

The fourth proportional to 13,820.26, 19,072.75 and 10,457.24 is: 14,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.26 : 19,072.75 = 10,457.24 : x
  2. Step 2: Convert to fraction form
    13,820.26/19,072.75 = 10,457.24/x
  3. Step 3: Cross multiply
    13,820.26x = 19,072.75 × 10,457.24
  4. Step 4: Simplify right side
    13,820.26x = 199,448,324.21
  5. Step 5: Solve for x
    x = 199,448,324.21/13,820.26
  6. Step 6: Final answer
    x = 14,431.59

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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.