Home / 33,529.21-46,269.13-18,421.90

Finding the Fourth Proportional to 33,529.21, 46,269.13 and 18,421.90

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Solution

The fourth proportional to 33,529.21, 46,269.13 and 18,421.90 is: 25,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,529.21 : 46,269.13 = 18,421.90 : x
  2. Step 2: Convert to fraction form
    33,529.21/46,269.13 = 18,421.90/x
  3. Step 3: Cross multiply
    33,529.21x = 46,269.13 × 18,421.90
  4. Step 4: Simplify right side
    33,529.21x = 852,365,285.95
  5. Step 5: Solve for x
    x = 852,365,285.95/33,529.21
  6. Step 6: Final answer
    x = 25,421.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.