Home / 27,429.98-41,117.42-18,669.02

Finding the Fourth Proportional to 27,429.98, 41,117.42 and 18,669.02

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Solution

The fourth proportional to 27,429.98, 41,117.42 and 18,669.02 is: 27,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.98 : 41,117.42 = 18,669.02 : x
  2. Step 2: Convert to fraction form
    27,429.98/41,117.42 = 18,669.02/x
  3. Step 3: Cross multiply
    27,429.98x = 41,117.42 × 18,669.02
  4. Step 4: Simplify right side
    27,429.98x = 767,621,777.41
  5. Step 5: Solve for x
    x = 767,621,777.41/27,429.98
  6. Step 6: Final answer
    x = 27,984.78

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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.