Home / 25,471.84-38,208.74-12,137.96

Finding the Fourth Proportional to 25,471.84, 38,208.74 and 12,137.96

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Solution

The fourth proportional to 25,471.84, 38,208.74 and 12,137.96 is: 18,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.84 : 38,208.74 = 12,137.96 : x
  2. Step 2: Convert to fraction form
    25,471.84/38,208.74 = 12,137.96/x
  3. Step 3: Cross multiply
    25,471.84x = 38,208.74 × 12,137.96
  4. Step 4: Simplify right side
    25,471.84x = 463,776,157.77
  5. Step 5: Solve for x
    x = 463,776,157.77/25,471.84
  6. Step 6: Final answer
    x = 18,207.41

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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.