Home / 27,084.74-40,621.10-19,692.68

Finding the Fourth Proportional to 27,084.74, 40,621.10 and 19,692.68

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Solution

The fourth proportional to 27,084.74, 40,621.10 and 19,692.68 is: 29,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,084.74 : 40,621.10 = 19,692.68 : x
  2. Step 2: Convert to fraction form
    27,084.74/40,621.10 = 19,692.68/x
  3. Step 3: Cross multiply
    27,084.74x = 40,621.10 × 19,692.68
  4. Step 4: Simplify right side
    27,084.74x = 799,938,021.98
  5. Step 5: Solve for x
    x = 799,938,021.98/27,084.74
  6. Step 6: Final answer
    x = 29,534.64

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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.