Home / 12,014.68-18,025.31-5,779.91

Finding the Fourth Proportional to 12,014.68, 18,025.31 and 5,779.91

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Solution

The fourth proportional to 12,014.68, 18,025.31 and 5,779.91 is: 8,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.68 : 18,025.31 = 5,779.91 : x
  2. Step 2: Convert to fraction form
    12,014.68/18,025.31 = 5,779.91/x
  3. Step 3: Cross multiply
    12,014.68x = 18,025.31 × 5,779.91
  4. Step 4: Simplify right side
    12,014.68x = 104,184,579.40
  5. Step 5: Solve for x
    x = 104,184,579.40/12,014.68
  6. Step 6: Final answer
    x = 8,671.44

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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.