Home / 16,706.96-23,058.36-12,720.56

Finding the Fourth Proportional to 16,706.96, 23,058.36 and 12,720.56

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Solution

The fourth proportional to 16,706.96, 23,058.36 and 12,720.56 is: 17,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706.96 : 23,058.36 = 12,720.56 : x
  2. Step 2: Convert to fraction form
    16,706.96/23,058.36 = 12,720.56/x
  3. Step 3: Cross multiply
    16,706.96x = 23,058.36 × 12,720.56
  4. Step 4: Simplify right side
    16,706.96x = 293,315,251.88
  5. Step 5: Solve for x
    x = 293,315,251.88/16,706.96
  6. Step 6: Final answer
    x = 17,556.47

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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.