Home / 38,307.98-57,461.97-12,014.78

Finding the Fourth Proportional to 38,307.98, 57,461.97 and 12,014.78

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Solution

The fourth proportional to 38,307.98, 57,461.97 and 12,014.78 is: 18,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.98 : 57,461.97 = 12,014.78 : x
  2. Step 2: Convert to fraction form
    38,307.98/57,461.97 = 12,014.78/x
  3. Step 3: Cross multiply
    38,307.98x = 57,461.97 × 12,014.78
  4. Step 4: Simplify right side
    38,307.98x = 690,392,927.92
  5. Step 5: Solve for x
    x = 690,392,927.92/38,307.98
  6. Step 6: Final answer
    x = 18,022.17

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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.