Home / 27,100.93-40,647.29-7,381.04

Finding the Fourth Proportional to 27,100.93, 40,647.29 and 7,381.04

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Solution

The fourth proportional to 27,100.93, 40,647.29 and 7,381.04 is: 11,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.93 : 40,647.29 = 7,381.04 : x
  2. Step 2: Convert to fraction form
    27,100.93/40,647.29 = 7,381.04/x
  3. Step 3: Cross multiply
    27,100.93x = 40,647.29 × 7,381.04
  4. Step 4: Simplify right side
    27,100.93x = 300,019,236.48
  5. Step 5: Solve for x
    x = 300,019,236.48/27,100.93
  6. Step 6: Final answer
    x = 11,070.44

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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.