Home / 13,370.01-18,447.80-7,992.27

Finding the Fourth Proportional to 13,370.01, 18,447.80 and 7,992.27

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Solution

The fourth proportional to 13,370.01, 18,447.80 and 7,992.27 is: 11,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.01 : 18,447.80 = 7,992.27 : x
  2. Step 2: Convert to fraction form
    13,370.01/18,447.80 = 7,992.27/x
  3. Step 3: Cross multiply
    13,370.01x = 18,447.80 × 7,992.27
  4. Step 4: Simplify right side
    13,370.01x = 147,439,803.50
  5. Step 5: Solve for x
    x = 147,439,803.50/13,370.01
  6. Step 6: Final answer
    x = 11,027.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.