Home / 16,986.06-23,434.35-12,520.46

Finding the Fourth Proportional to 16,986.06, 23,434.35 and 12,520.46

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Solution

The fourth proportional to 16,986.06, 23,434.35 and 12,520.46 is: 17,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.06 : 23,434.35 = 12,520.46 : x
  2. Step 2: Convert to fraction form
    16,986.06/23,434.35 = 12,520.46/x
  3. Step 3: Cross multiply
    16,986.06x = 23,434.35 × 12,520.46
  4. Step 4: Simplify right side
    16,986.06x = 293,408,724.63
  5. Step 5: Solve for x
    x = 293,408,724.63/16,986.06
  6. Step 6: Final answer
    x = 17,273.50

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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.