Home / 20,014.52-29,980.26-11,669.23

Finding the Fourth Proportional to 20,014.52, 29,980.26 and 11,669.23

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Solution

The fourth proportional to 20,014.52, 29,980.26 and 11,669.23 is: 17,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.52 : 29,980.26 = 11,669.23 : x
  2. Step 2: Convert to fraction form
    20,014.52/29,980.26 = 11,669.23/x
  3. Step 3: Cross multiply
    20,014.52x = 29,980.26 × 11,669.23
  4. Step 4: Simplify right side
    20,014.52x = 349,846,341.15
  5. Step 5: Solve for x
    x = 349,846,341.15/20,014.52
  6. Step 6: Final answer
    x = 17,479.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.