Home / 14,943.08-20,629.38-11,578.34

Finding the Fourth Proportional to 14,943.08, 20,629.38 and 11,578.34

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Solution

The fourth proportional to 14,943.08, 20,629.38 and 11,578.34 is: 15,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.08 : 20,629.38 = 11,578.34 : x
  2. Step 2: Convert to fraction form
    14,943.08/20,629.38 = 11,578.34/x
  3. Step 3: Cross multiply
    14,943.08x = 20,629.38 × 11,578.34
  4. Step 4: Simplify right side
    14,943.08x = 238,854,070.62
  5. Step 5: Solve for x
    x = 238,854,070.62/14,943.08
  6. Step 6: Final answer
    x = 15,984.26

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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.