Home / 38,012.70-57,002.64-14,622.78

Finding the Fourth Proportional to 38,012.70, 57,002.64 and 14,622.78

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Solution

The fourth proportional to 38,012.70, 57,002.64 and 14,622.78 is: 21,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.70 : 57,002.64 = 14,622.78 : x
  2. Step 2: Convert to fraction form
    38,012.70/57,002.64 = 14,622.78/x
  3. Step 3: Cross multiply
    38,012.70x = 57,002.64 × 14,622.78
  4. Step 4: Simplify right side
    38,012.70x = 833,537,064.14
  5. Step 5: Solve for x
    x = 833,537,064.14/38,012.70
  6. Step 6: Final answer
    x = 21,927.86

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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.