Home / 27,314.48-40,939.32-11,699.12

Finding the Fourth Proportional to 27,314.48, 40,939.32 and 11,699.12

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Solution

The fourth proportional to 27,314.48, 40,939.32 and 11,699.12 is: 17,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,314.48 : 40,939.32 = 11,699.12 : x
  2. Step 2: Convert to fraction form
    27,314.48/40,939.32 = 11,699.12/x
  3. Step 3: Cross multiply
    27,314.48x = 40,939.32 × 11,699.12
  4. Step 4: Simplify right side
    27,314.48x = 478,954,017.40
  5. Step 5: Solve for x
    x = 478,954,017.40/27,314.48
  6. Step 6: Final answer
    x = 17,534.80

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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.