Home / 21,477.41-32,196.67-7,623.17

Finding the Fourth Proportional to 21,477.41, 32,196.67 and 7,623.17

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Solution

The fourth proportional to 21,477.41, 32,196.67 and 7,623.17 is: 11,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.41 : 32,196.67 = 7,623.17 : x
  2. Step 2: Convert to fraction form
    21,477.41/32,196.67 = 7,623.17/x
  3. Step 3: Cross multiply
    21,477.41x = 32,196.67 × 7,623.17
  4. Step 4: Simplify right side
    21,477.41x = 245,440,688.84
  5. Step 5: Solve for x
    x = 245,440,688.84/21,477.41
  6. Step 6: Final answer
    x = 11,427.85

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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.