Home / 27,010.63-40,520.27-11,428.39

Finding the Fourth Proportional to 27,010.63, 40,520.27 and 11,428.39

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Solution

The fourth proportional to 27,010.63, 40,520.27 and 11,428.39 is: 17,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.63 : 40,520.27 = 11,428.39 : x
  2. Step 2: Convert to fraction form
    27,010.63/40,520.27 = 11,428.39/x
  3. Step 3: Cross multiply
    27,010.63x = 40,520.27 × 11,428.39
  4. Step 4: Simplify right side
    27,010.63x = 463,081,448.47
  5. Step 5: Solve for x
    x = 463,081,448.47/27,010.63
  6. Step 6: Final answer
    x = 17,144.41

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1.5x scale

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.