Home / 25,185.81-37,784.19-8,319.57

Finding the Fourth Proportional to 25,185.81, 37,784.19 and 8,319.57

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Solution

The fourth proportional to 25,185.81, 37,784.19 and 8,319.57 is: 12,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.81 : 37,784.19 = 8,319.57 : x
  2. Step 2: Convert to fraction form
    25,185.81/37,784.19 = 8,319.57/x
  3. Step 3: Cross multiply
    25,185.81x = 37,784.19 × 8,319.57
  4. Step 4: Simplify right side
    25,185.81x = 314,348,213.60
  5. Step 5: Solve for x
    x = 314,348,213.60/25,185.81
  6. Step 6: Final answer
    x = 12,481.16

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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.