Home / 13,141.08-19,685.70-10,834.20

Finding the Fourth Proportional to 13,141.08, 19,685.70 and 10,834.20

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Solution

The fourth proportional to 13,141.08, 19,685.70 and 10,834.20 is: 16,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.08 : 19,685.70 = 10,834.20 : x
  2. Step 2: Convert to fraction form
    13,141.08/19,685.70 = 10,834.20/x
  3. Step 3: Cross multiply
    13,141.08x = 19,685.70 × 10,834.20
  4. Step 4: Simplify right side
    13,141.08x = 213,278,810.94
  5. Step 5: Solve for x
    x = 213,278,810.94/13,141.08
  6. Step 6: Final answer
    x = 16,229.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.