Home / 16,687.68-23,012.64-14,062.56

Finding the Fourth Proportional to 16,687.68, 23,012.64 and 14,062.56

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Solution

The fourth proportional to 16,687.68, 23,012.64 and 14,062.56 is: 19,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.68 : 23,012.64 = 14,062.56 : x
  2. Step 2: Convert to fraction form
    16,687.68/23,012.64 = 14,062.56/x
  3. Step 3: Cross multiply
    16,687.68x = 23,012.64 × 14,062.56
  4. Step 4: Simplify right side
    16,687.68x = 323,616,630.76
  5. Step 5: Solve for x
    x = 323,616,630.76/16,687.68
  6. Step 6: Final answer
    x = 19,392.55

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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.