Home / 35,998.10-54,013.35-12,641.30

Finding the Fourth Proportional to 35,998.10, 54,013.35 and 12,641.30

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Solution

The fourth proportional to 35,998.10, 54,013.35 and 12,641.30 is: 18,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.10 : 54,013.35 = 12,641.30 : x
  2. Step 2: Convert to fraction form
    35,998.10/54,013.35 = 12,641.30/x
  3. Step 3: Cross multiply
    35,998.10x = 54,013.35 × 12,641.30
  4. Step 4: Simplify right side
    35,998.10x = 682,798,961.36
  5. Step 5: Solve for x
    x = 682,798,961.36/35,998.10
  6. Step 6: Final answer
    x = 18,967.64

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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.