Home / 38,586.61-57,865.20-13,622.01

Finding the Fourth Proportional to 38,586.61, 57,865.20 and 13,622.01

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Solution

The fourth proportional to 38,586.61, 57,865.20 and 13,622.01 is: 20,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.61 : 57,865.20 = 13,622.01 : x
  2. Step 2: Convert to fraction form
    38,586.61/57,865.20 = 13,622.01/x
  3. Step 3: Cross multiply
    38,586.61x = 57,865.20 × 13,622.01
  4. Step 4: Simplify right side
    38,586.61x = 788,240,333.05
  5. Step 5: Solve for x
    x = 788,240,333.05/38,586.61
  6. Step 6: Final answer
    x = 20,427.82

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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.