Home / 16,911.75-23,339.30-9,459.75

Finding the Fourth Proportional to 16,911.75, 23,339.30 and 9,459.75

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Solution

The fourth proportional to 16,911.75, 23,339.30 and 9,459.75 is: 13,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.75 : 23,339.30 = 9,459.75 : x
  2. Step 2: Convert to fraction form
    16,911.75/23,339.30 = 9,459.75/x
  3. Step 3: Cross multiply
    16,911.75x = 23,339.30 × 9,459.75
  4. Step 4: Simplify right side
    16,911.75x = 220,783,895.88
  5. Step 5: Solve for x
    x = 220,783,895.88/16,911.75
  6. Step 6: Final answer
    x = 13,055.06

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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.