Home / 14,969.10-20,659.29-12,446.88

Finding the Fourth Proportional to 14,969.10, 20,659.29 and 12,446.88

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Solution

The fourth proportional to 14,969.10, 20,659.29 and 12,446.88 is: 17,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.10 : 20,659.29 = 12,446.88 : x
  2. Step 2: Convert to fraction form
    14,969.10/20,659.29 = 12,446.88/x
  3. Step 3: Cross multiply
    14,969.10x = 20,659.29 × 12,446.88
  4. Step 4: Simplify right side
    14,969.10x = 257,143,660.93
  5. Step 5: Solve for x
    x = 257,143,660.93/14,969.10
  6. Step 6: Final answer
    x = 17,178.29

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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.