Home / 30,191.75-41,665.91-16,763.00

Finding the Fourth Proportional to 30,191.75, 41,665.91 and 16,763.00

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Solution

The fourth proportional to 30,191.75, 41,665.91 and 16,763.00 is: 23,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.75 : 41,665.91 = 16,763.00 : x
  2. Step 2: Convert to fraction form
    30,191.75/41,665.91 = 16,763.00/x
  3. Step 3: Cross multiply
    30,191.75x = 41,665.91 × 16,763.00
  4. Step 4: Simplify right side
    30,191.75x = 698,445,769.36
  5. Step 5: Solve for x
    x = 698,445,769.36/30,191.75
  6. Step 6: Final answer
    x = 23,133.66

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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.