Home / 16,986.51-25,489.79-6,465.38

Finding the Fourth Proportional to 16,986.51, 25,489.79 and 6,465.38

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Solution

The fourth proportional to 16,986.51, 25,489.79 and 6,465.38 is: 9,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.51 : 25,489.79 = 6,465.38 : x
  2. Step 2: Convert to fraction form
    16,986.51/25,489.79 = 6,465.38/x
  3. Step 3: Cross multiply
    16,986.51x = 25,489.79 × 6,465.38
  4. Step 4: Simplify right side
    16,986.51x = 164,801,209.87
  5. Step 5: Solve for x
    x = 164,801,209.87/16,986.51
  6. Step 6: Final answer
    x = 9,701.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.