Home / 16,769.18-23,127.74-10,391.34

Finding the Fourth Proportional to 16,769.18, 23,127.74 and 10,391.34

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Solution

The fourth proportional to 16,769.18, 23,127.74 and 10,391.34 is: 14,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.18 : 23,127.74 = 10,391.34 : x
  2. Step 2: Convert to fraction form
    16,769.18/23,127.74 = 10,391.34/x
  3. Step 3: Cross multiply
    16,769.18x = 23,127.74 × 10,391.34
  4. Step 4: Simplify right side
    16,769.18x = 240,328,215.63
  5. Step 5: Solve for x
    x = 240,328,215.63/16,769.18
  6. Step 6: Final answer
    x = 14,331.54

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1.5x scale

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.