Home / 16,720.75-23,074.48-9,167.50

Finding the Fourth Proportional to 16,720.75, 23,074.48 and 9,167.50

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Solution

The fourth proportional to 16,720.75, 23,074.48 and 9,167.50 is: 12,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.75 : 23,074.48 = 9,167.50 : x
  2. Step 2: Convert to fraction form
    16,720.75/23,074.48 = 9,167.50/x
  3. Step 3: Cross multiply
    16,720.75x = 23,074.48 × 9,167.50
  4. Step 4: Simplify right side
    16,720.75x = 211,535,295.40
  5. Step 5: Solve for x
    x = 211,535,295.40/16,720.75
  6. Step 6: Final answer
    x = 12,651.07

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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.