Home / 23,501.46-32,430.33-12,889.38

Finding the Fourth Proportional to 23,501.46, 32,430.33 and 12,889.38

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Solution

The fourth proportional to 23,501.46, 32,430.33 and 12,889.38 is: 17,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,501.46 : 32,430.33 = 12,889.38 : x
  2. Step 2: Convert to fraction form
    23,501.46/32,430.33 = 12,889.38/x
  3. Step 3: Cross multiply
    23,501.46x = 32,430.33 × 12,889.38
  4. Step 4: Simplify right side
    23,501.46x = 418,006,846.90
  5. Step 5: Solve for x
    x = 418,006,846.90/23,501.46
  6. Step 6: Final answer
    x = 17,786.42

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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.