Home / 13,899.06-19,179.99-7,610.22

Finding the Fourth Proportional to 13,899.06, 19,179.99 and 7,610.22

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Solution

The fourth proportional to 13,899.06, 19,179.99 and 7,610.22 is: 10,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.06 : 19,179.99 = 7,610.22 : x
  2. Step 2: Convert to fraction form
    13,899.06/19,179.99 = 7,610.22/x
  3. Step 3: Cross multiply
    13,899.06x = 19,179.99 × 7,610.22
  4. Step 4: Simplify right side
    13,899.06x = 145,963,943.50
  5. Step 5: Solve for x
    x = 145,963,943.50/13,899.06
  6. Step 6: Final answer
    x = 10,501.71

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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.