Home / 14,074.08-19,431.27-9,040.47

Finding the Fourth Proportional to 14,074.08, 19,431.27 and 9,040.47

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Solution

The fourth proportional to 14,074.08, 19,431.27 and 9,040.47 is: 12,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.08 : 19,431.27 = 9,040.47 : x
  2. Step 2: Convert to fraction form
    14,074.08/19,431.27 = 9,040.47/x
  3. Step 3: Cross multiply
    14,074.08x = 19,431.27 × 9,040.47
  4. Step 4: Simplify right side
    14,074.08x = 175,667,813.50
  5. Step 5: Solve for x
    x = 175,667,813.50/14,074.08
  6. Step 6: Final answer
    x = 12,481.66

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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.