Home / 12,900.03-19,349.64-3,666.03

Finding the Fourth Proportional to 12,900.03, 19,349.64 and 3,666.03

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Solution

The fourth proportional to 12,900.03, 19,349.64 and 3,666.03 is: 5,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.03 : 19,349.64 = 3,666.03 : x
  2. Step 2: Convert to fraction form
    12,900.03/19,349.64 = 3,666.03/x
  3. Step 3: Cross multiply
    12,900.03x = 19,349.64 × 3,666.03
  4. Step 4: Simplify right side
    12,900.03x = 70,936,360.73
  5. Step 5: Solve for x
    x = 70,936,360.73/12,900.03
  6. Step 6: Final answer
    x = 5,498.93

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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.