Home / 29,009.88-43,529.64-13,829.60

Finding the Fourth Proportional to 29,009.88, 43,529.64 and 13,829.60

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Solution

The fourth proportional to 29,009.88, 43,529.64 and 13,829.60 is: 20,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.88 : 43,529.64 = 13,829.60 : x
  2. Step 2: Convert to fraction form
    29,009.88/43,529.64 = 13,829.60/x
  3. Step 3: Cross multiply
    29,009.88x = 43,529.64 × 13,829.60
  4. Step 4: Simplify right side
    29,009.88x = 601,997,566.31
  5. Step 5: Solve for x
    x = 601,997,566.31/29,009.88
  6. Step 6: Final answer
    x = 20,751.47

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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.