Home / 35,412.75-53,128.26-13,226.28

Finding the Fourth Proportional to 35,412.75, 53,128.26 and 13,226.28

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Solution

The fourth proportional to 35,412.75, 53,128.26 and 13,226.28 is: 19,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.75 : 53,128.26 = 13,226.28 : x
  2. Step 2: Convert to fraction form
    35,412.75/53,128.26 = 13,226.28/x
  3. Step 3: Cross multiply
    35,412.75x = 53,128.26 × 13,226.28
  4. Step 4: Simplify right side
    35,412.75x = 702,689,242.67
  5. Step 5: Solve for x
    x = 702,689,242.67/35,412.75
  6. Step 6: Final answer
    x = 19,842.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.