Home / 21,390.24-32,062.73-8,057.46

Finding the Fourth Proportional to 21,390.24, 32,062.73 and 8,057.46

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Solution

The fourth proportional to 21,390.24, 32,062.73 and 8,057.46 is: 12,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.24 : 32,062.73 = 8,057.46 : x
  2. Step 2: Convert to fraction form
    21,390.24/32,062.73 = 8,057.46/x
  3. Step 3: Cross multiply
    21,390.24x = 32,062.73 × 8,057.46
  4. Step 4: Simplify right side
    21,390.24x = 258,344,124.18
  5. Step 5: Solve for x
    x = 258,344,124.18/21,390.24
  6. Step 6: Final answer
    x = 12,077.67

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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.