Home / 25,231.80-37,847.70-12,077.40

Finding the Fourth Proportional to 25,231.80, 37,847.70 and 12,077.40

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Solution

The fourth proportional to 25,231.80, 37,847.70 and 12,077.40 is: 18,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.80 : 37,847.70 = 12,077.40 : x
  2. Step 2: Convert to fraction form
    25,231.80/37,847.70 = 12,077.40/x
  3. Step 3: Cross multiply
    25,231.80x = 37,847.70 × 12,077.40
  4. Step 4: Simplify right side
    25,231.80x = 457,101,811.98
  5. Step 5: Solve for x
    x = 457,101,811.98/25,231.80
  6. Step 6: Final answer
    x = 18,116.10

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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.