Home / 30,191.94-41,666.18-16,763.20

Finding the Fourth Proportional to 30,191.94, 41,666.18 and 16,763.20

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Solution

The fourth proportional to 30,191.94, 41,666.18 and 16,763.20 is: 23,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.94 : 41,666.18 = 16,763.20 : x
  2. Step 2: Convert to fraction form
    30,191.94/41,666.18 = 16,763.20/x
  3. Step 3: Cross multiply
    30,191.94x = 41,666.18 × 16,763.20
  4. Step 4: Simplify right side
    30,191.94x = 698,458,216.43
  5. Step 5: Solve for x
    x = 698,458,216.43/30,191.94
  6. Step 6: Final answer
    x = 23,133.93

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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.