Home / 25,131.03-37,670.31-8,485.33

Finding the Fourth Proportional to 25,131.03, 37,670.31 and 8,485.33

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Solution

The fourth proportional to 25,131.03, 37,670.31 and 8,485.33 is: 12,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.03 : 37,670.31 = 8,485.33 : x
  2. Step 2: Convert to fraction form
    25,131.03/37,670.31 = 8,485.33/x
  3. Step 3: Cross multiply
    25,131.03x = 37,670.31 × 8,485.33
  4. Step 4: Simplify right side
    25,131.03x = 319,645,011.55
  5. Step 5: Solve for x
    x = 319,645,011.55/25,131.03
  6. Step 6: Final answer
    x = 12,719.14

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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.