Home / 29,004.90-43,511.40-12,364.80

Finding the Fourth Proportional to 29,004.90, 43,511.40 and 12,364.80

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Solution

The fourth proportional to 29,004.90, 43,511.40 and 12,364.80 is: 18,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,004.90 : 43,511.40 = 12,364.80 : x
  2. Step 2: Convert to fraction form
    29,004.90/43,511.40 = 12,364.80/x
  3. Step 3: Cross multiply
    29,004.90x = 43,511.40 × 12,364.80
  4. Step 4: Simplify right side
    29,004.90x = 538,009,758.72
  5. Step 5: Solve for x
    x = 538,009,758.72/29,004.90
  6. Step 6: Final answer
    x = 18,548.93

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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.