Home / 16,909.12-25,370.16-7,045.75

Finding the Fourth Proportional to 16,909.12, 25,370.16 and 7,045.75

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Solution

The fourth proportional to 16,909.12, 25,370.16 and 7,045.75 is: 10,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.12 : 25,370.16 = 7,045.75 : x
  2. Step 2: Convert to fraction form
    16,909.12/25,370.16 = 7,045.75/x
  3. Step 3: Cross multiply
    16,909.12x = 25,370.16 × 7,045.75
  4. Step 4: Simplify right side
    16,909.12x = 178,751,804.82
  5. Step 5: Solve for x
    x = 178,751,804.82/16,909.12
  6. Step 6: Final answer
    x = 10,571.33

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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.