Home / 16,879.02-23,271.18-11,564.34

Finding the Fourth Proportional to 16,879.02, 23,271.18 and 11,564.34

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Solution

The fourth proportional to 16,879.02, 23,271.18 and 11,564.34 is: 15,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.02 : 23,271.18 = 11,564.34 : x
  2. Step 2: Convert to fraction form
    16,879.02/23,271.18 = 11,564.34/x
  3. Step 3: Cross multiply
    16,879.02x = 23,271.18 × 11,564.34
  4. Step 4: Simplify right side
    16,879.02x = 269,115,837.72
  5. Step 5: Solve for x
    x = 269,115,837.72/16,879.02
  6. Step 6: Final answer
    x = 15,943.81

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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.