Home / 16,460.82-22,719.29-11,157.35

Finding the Fourth Proportional to 16,460.82, 22,719.29 and 11,157.35

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Solution

The fourth proportional to 16,460.82, 22,719.29 and 11,157.35 is: 15,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,460.82 : 22,719.29 = 11,157.35 : x
  2. Step 2: Convert to fraction form
    16,460.82/22,719.29 = 11,157.35/x
  3. Step 3: Cross multiply
    16,460.82x = 22,719.29 × 11,157.35
  4. Step 4: Simplify right side
    16,460.82x = 253,486,900.90
  5. Step 5: Solve for x
    x = 253,486,900.90/16,460.82
  6. Step 6: Final answer
    x = 15,399.41

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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.