Home / 22,795.54-31,457.88-12,723.98

Finding the Fourth Proportional to 22,795.54, 31,457.88 and 12,723.98

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Solution

The fourth proportional to 22,795.54, 31,457.88 and 12,723.98 is: 17,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.54 : 31,457.88 = 12,723.98 : x
  2. Step 2: Convert to fraction form
    22,795.54/31,457.88 = 12,723.98/x
  3. Step 3: Cross multiply
    22,795.54x = 31,457.88 × 12,723.98
  4. Step 4: Simplify right side
    22,795.54x = 400,269,215.05
  5. Step 5: Solve for x
    x = 400,269,215.05/22,795.54
  6. Step 6: Final answer
    x = 17,559.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.