Home / 14,986.77-20,669.05-9,017.33

Finding the Fourth Proportional to 14,986.77, 20,669.05 and 9,017.33

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Solution

The fourth proportional to 14,986.77, 20,669.05 and 9,017.33 is: 12,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.77 : 20,669.05 = 9,017.33 : x
  2. Step 2: Convert to fraction form
    14,986.77/20,669.05 = 9,017.33/x
  3. Step 3: Cross multiply
    14,986.77x = 20,669.05 × 9,017.33
  4. Step 4: Simplify right side
    14,986.77x = 186,379,527.20
  5. Step 5: Solve for x
    x = 186,379,527.20/14,986.77
  6. Step 6: Final answer
    x = 12,436.27

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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.