Home / 16,862.75-23,270.69-9,410.75

Finding the Fourth Proportional to 16,862.75, 23,270.69 and 9,410.75

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Solution

The fourth proportional to 16,862.75, 23,270.69 and 9,410.75 is: 12,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.75 : 23,270.69 = 9,410.75 : x
  2. Step 2: Convert to fraction form
    16,862.75/23,270.69 = 9,410.75/x
  3. Step 3: Cross multiply
    16,862.75x = 23,270.69 × 9,410.75
  4. Step 4: Simplify right side
    16,862.75x = 218,994,598.86
  5. Step 5: Solve for x
    x = 218,994,598.86/16,862.75
  6. Step 6: Final answer
    x = 12,986.89

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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.