Home / 25,379.63-35,039.77-16,308.66

Finding the Fourth Proportional to 25,379.63, 35,039.77 and 16,308.66

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Solution

The fourth proportional to 25,379.63, 35,039.77 and 16,308.66 is: 22,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.63 : 35,039.77 = 16,308.66 : x
  2. Step 2: Convert to fraction form
    25,379.63/35,039.77 = 16,308.66/x
  3. Step 3: Cross multiply
    25,379.63x = 35,039.77 × 16,308.66
  4. Step 4: Simplify right side
    25,379.63x = 571,451,654.64
  5. Step 5: Solve for x
    x = 571,451,654.64/25,379.63
  6. Step 6: Final answer
    x = 22,516.16

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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.