Home / 30,191.81-41,666.00-16,763.07

Finding the Fourth Proportional to 30,191.81, 41,666.00 and 16,763.07

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Solution

The fourth proportional to 30,191.81, 41,666.00 and 16,763.07 is: 23,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.81 : 41,666.00 = 16,763.07 : x
  2. Step 2: Convert to fraction form
    30,191.81/41,666.00 = 16,763.07/x
  3. Step 3: Cross multiply
    30,191.81x = 41,666.00 × 16,763.07
  4. Step 4: Simplify right side
    30,191.81x = 698,450,038.40
  5. Step 5: Solve for x
    x = 698,450,038.40/30,191.81
  6. Step 6: Final answer
    x = 23,133.76

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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.