Home / 16,681.74-25,021.72-4,201.75

Finding the Fourth Proportional to 16,681.74, 25,021.72 and 4,201.75

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Solution

The fourth proportional to 16,681.74, 25,021.72 and 4,201.75 is: 6,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.74 : 25,021.72 = 4,201.75 : x
  2. Step 2: Convert to fraction form
    16,681.74/25,021.72 = 4,201.75/x
  3. Step 3: Cross multiply
    16,681.74x = 25,021.72 × 4,201.75
  4. Step 4: Simplify right side
    16,681.74x = 105,135,012.01
  5. Step 5: Solve for x
    x = 105,135,012.01/16,681.74
  6. Step 6: Final answer
    x = 6,302.40

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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.