Home / 14,986.12-20,669.16-9,609.07

Finding the Fourth Proportional to 14,986.12, 20,669.16 and 9,609.07

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Solution

The fourth proportional to 14,986.12, 20,669.16 and 9,609.07 is: 13,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.12 : 20,669.16 = 9,609.07 : x
  2. Step 2: Convert to fraction form
    14,986.12/20,669.16 = 9,609.07/x
  3. Step 3: Cross multiply
    14,986.12x = 20,669.16 × 9,609.07
  4. Step 4: Simplify right side
    14,986.12x = 198,611,405.28
  5. Step 5: Solve for x
    x = 198,611,405.28/14,986.12
  6. Step 6: Final answer
    x = 13,253.02

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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.