Home / 16,840.58-25,282.74-12,947.72

Finding the Fourth Proportional to 16,840.58, 25,282.74 and 12,947.72

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Solution

The fourth proportional to 16,840.58, 25,282.74 and 12,947.72 is: 19,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.58 : 25,282.74 = 12,947.72 : x
  2. Step 2: Convert to fraction form
    16,840.58/25,282.74 = 12,947.72/x
  3. Step 3: Cross multiply
    16,840.58x = 25,282.74 × 12,947.72
  4. Step 4: Simplify right side
    16,840.58x = 327,353,838.35
  5. Step 5: Solve for x
    x = 327,353,838.35/16,840.58
  6. Step 6: Final answer
    x = 19,438.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.