Home / 25,317.99-37,951.56-8,666.64

Finding the Fourth Proportional to 25,317.99, 37,951.56 and 8,666.64

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Solution

The fourth proportional to 25,317.99, 37,951.56 and 8,666.64 is: 12,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.99 : 37,951.56 = 8,666.64 : x
  2. Step 2: Convert to fraction form
    25,317.99/37,951.56 = 8,666.64/x
  3. Step 3: Cross multiply
    25,317.99x = 37,951.56 × 8,666.64
  4. Step 4: Simplify right side
    25,317.99x = 328,912,507.96
  5. Step 5: Solve for x
    x = 328,912,507.96/25,317.99
  6. Step 6: Final answer
    x = 12,991.26

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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.