Home / 13,206.75-19,775.26-9,262.86

Finding the Fourth Proportional to 13,206.75, 19,775.26 and 9,262.86

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Solution

The fourth proportional to 13,206.75, 19,775.26 and 9,262.86 is: 13,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.75 : 19,775.26 = 9,262.86 : x
  2. Step 2: Convert to fraction form
    13,206.75/19,775.26 = 9,262.86/x
  3. Step 3: Cross multiply
    13,206.75x = 19,775.26 × 9,262.86
  4. Step 4: Simplify right side
    13,206.75x = 183,175,428.32
  5. Step 5: Solve for x
    x = 183,175,428.32/13,206.75
  6. Step 6: Final answer
    x = 13,869.84

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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.