Home / 16,805.07-23,190.99-9,354.83

Finding the Fourth Proportional to 16,805.07, 23,190.99 and 9,354.83

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Solution

The fourth proportional to 16,805.07, 23,190.99 and 9,354.83 is: 12,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.07 : 23,190.99 = 9,354.83 : x
  2. Step 2: Convert to fraction form
    16,805.07/23,190.99 = 9,354.83/x
  3. Step 3: Cross multiply
    16,805.07x = 23,190.99 × 9,354.83
  4. Step 4: Simplify right side
    16,805.07x = 216,947,606.25
  5. Step 5: Solve for x
    x = 216,947,606.25/16,805.07
  6. Step 6: Final answer
    x = 12,909.66

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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.