Home / 13,150.20-19,725.30-10,817.40

Finding the Fourth Proportional to 13,150.20, 19,725.30 and 10,817.40

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Solution

The fourth proportional to 13,150.20, 19,725.30 and 10,817.40 is: 16,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.20 : 19,725.30 = 10,817.40 : x
  2. Step 2: Convert to fraction form
    13,150.20/19,725.30 = 10,817.40/x
  3. Step 3: Cross multiply
    13,150.20x = 19,725.30 × 10,817.40
  4. Step 4: Simplify right side
    13,150.20x = 213,376,460.22
  5. Step 5: Solve for x
    x = 213,376,460.22/13,150.20
  6. Step 6: Final answer
    x = 16,226.10

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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.