Home / 13,622.00-18,798.37-7,653.66

Finding the Fourth Proportional to 13,622.00, 18,798.37 and 7,653.66

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Solution

The fourth proportional to 13,622.00, 18,798.37 and 7,653.66 is: 10,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.00 : 18,798.37 = 7,653.66 : x
  2. Step 2: Convert to fraction form
    13,622.00/18,798.37 = 7,653.66/x
  3. Step 3: Cross multiply
    13,622.00x = 18,798.37 × 7,653.66
  4. Step 4: Simplify right side
    13,622.00x = 143,876,412.60
  5. Step 5: Solve for x
    x = 143,876,412.60/13,622.00
  6. Step 6: Final answer
    x = 10,562.06

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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.