Home / 16,682.88-22,969.90-14,159.72

Finding the Fourth Proportional to 16,682.88, 22,969.90 and 14,159.72

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Solution

The fourth proportional to 16,682.88, 22,969.90 and 14,159.72 is: 19,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.88 : 22,969.90 = 14,159.72 : x
  2. Step 2: Convert to fraction form
    16,682.88/22,969.90 = 14,159.72/x
  3. Step 3: Cross multiply
    16,682.88x = 22,969.90 × 14,159.72
  4. Step 4: Simplify right side
    16,682.88x = 325,247,352.43
  5. Step 5: Solve for x
    x = 325,247,352.43/16,682.88
  6. Step 6: Final answer
    x = 19,495.88

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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.