Home / 30,191.88-41,666.09-16,763.13

Finding the Fourth Proportional to 30,191.88, 41,666.09 and 16,763.13

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Solution

The fourth proportional to 30,191.88, 41,666.09 and 16,763.13 is: 23,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.88 : 41,666.09 = 16,763.13 : x
  2. Step 2: Convert to fraction form
    30,191.88/41,666.09 = 16,763.13/x
  3. Step 3: Cross multiply
    30,191.88x = 41,666.09 × 16,763.13
  4. Step 4: Simplify right side
    30,191.88x = 698,454,083.26
  5. Step 5: Solve for x
    x = 698,454,083.26/30,191.88
  6. Step 6: Final answer
    x = 23,133.84

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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.