Home / 13,616.02-18,789.73-7,566.11

Finding the Fourth Proportional to 13,616.02, 18,789.73 and 7,566.11

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Solution

The fourth proportional to 13,616.02, 18,789.73 and 7,566.11 is: 10,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.02 : 18,789.73 = 7,566.11 : x
  2. Step 2: Convert to fraction form
    13,616.02/18,789.73 = 7,566.11/x
  3. Step 3: Cross multiply
    13,616.02x = 18,789.73 × 7,566.11
  4. Step 4: Simplify right side
    13,616.02x = 142,165,122.00
  5. Step 5: Solve for x
    x = 142,165,122.00/13,616.02
  6. Step 6: Final answer
    x = 10,441.02

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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.