Home / 29,143.98-43,692.26-9,143.19

Finding the Fourth Proportional to 29,143.98, 43,692.26 and 9,143.19

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Solution

The fourth proportional to 29,143.98, 43,692.26 and 9,143.19 is: 13,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.98 : 43,692.26 = 9,143.19 : x
  2. Step 2: Convert to fraction form
    29,143.98/43,692.26 = 9,143.19/x
  3. Step 3: Cross multiply
    29,143.98x = 43,692.26 × 9,143.19
  4. Step 4: Simplify right side
    29,143.98x = 399,486,588.99
  5. Step 5: Solve for x
    x = 399,486,588.99/29,143.98
  6. Step 6: Final answer
    x = 13,707.35

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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.