Home / 13,891.02-19,169.64-7,603.26

Finding the Fourth Proportional to 13,891.02, 19,169.64 and 7,603.26

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Solution

The fourth proportional to 13,891.02, 19,169.64 and 7,603.26 is: 10,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.02 : 19,169.64 = 7,603.26 : x
  2. Step 2: Convert to fraction form
    13,891.02/19,169.64 = 7,603.26/x
  3. Step 3: Cross multiply
    13,891.02x = 19,169.64 × 7,603.26
  4. Step 4: Simplify right side
    13,891.02x = 145,751,757.03
  5. Step 5: Solve for x
    x = 145,751,757.03/13,891.02
  6. Step 6: Final answer
    x = 10,492.52

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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.