Home / 35,909.10-53,866.05-12,216.30

Finding the Fourth Proportional to 35,909.10, 53,866.05 and 12,216.30

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Solution

The fourth proportional to 35,909.10, 53,866.05 and 12,216.30 is: 18,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.10 : 53,866.05 = 12,216.30 : x
  2. Step 2: Convert to fraction form
    35,909.10/53,866.05 = 12,216.30/x
  3. Step 3: Cross multiply
    35,909.10x = 53,866.05 × 12,216.30
  4. Step 4: Simplify right side
    35,909.10x = 658,043,826.62
  5. Step 5: Solve for x
    x = 658,043,826.62/35,909.10
  6. Step 6: Final answer
    x = 18,325.27

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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.