Home / 25,143.50-37,719.34-8,504.55

Finding the Fourth Proportional to 25,143.50, 37,719.34 and 8,504.55

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Solution

The fourth proportional to 25,143.50, 37,719.34 and 8,504.55 is: 12,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.50 : 37,719.34 = 8,504.55 : x
  2. Step 2: Convert to fraction form
    25,143.50/37,719.34 = 8,504.55/x
  3. Step 3: Cross multiply
    25,143.50x = 37,719.34 × 8,504.55
  4. Step 4: Simplify right side
    25,143.50x = 320,785,991.74
  5. Step 5: Solve for x
    x = 320,785,991.74/25,143.50
  6. Step 6: Final answer
    x = 12,758.21

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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.