Home / 12,187.67-18,268.74-10,095.44

Finding the Fourth Proportional to 12,187.67, 18,268.74 and 10,095.44

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Solution

The fourth proportional to 12,187.67, 18,268.74 and 10,095.44 is: 15,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.67 : 18,268.74 = 10,095.44 : x
  2. Step 2: Convert to fraction form
    12,187.67/18,268.74 = 10,095.44/x
  3. Step 3: Cross multiply
    12,187.67x = 18,268.74 × 10,095.44
  4. Step 4: Simplify right side
    12,187.67x = 184,430,877.20
  5. Step 5: Solve for x
    x = 184,430,877.20/12,187.67
  6. Step 6: Final answer
    x = 15,132.59

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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.