Home / 23,501.05-32,431.26-12,890.61

Finding the Fourth Proportional to 23,501.05, 32,431.26 and 12,890.61

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Solution

The fourth proportional to 23,501.05, 32,431.26 and 12,890.61 is: 17,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,501.05 : 32,431.26 = 12,890.61 : x
  2. Step 2: Convert to fraction form
    23,501.05/32,431.26 = 12,890.61/x
  3. Step 3: Cross multiply
    23,501.05x = 32,431.26 × 12,890.61
  4. Step 4: Simplify right side
    23,501.05x = 418,058,772.81
  5. Step 5: Solve for x
    x = 418,058,772.81/23,501.05
  6. Step 6: Final answer
    x = 17,788.94

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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.