Home / 13,915.46-19,206.24-12,794.63

Finding the Fourth Proportional to 13,915.46, 19,206.24 and 12,794.63

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Solution

The fourth proportional to 13,915.46, 19,206.24 and 12,794.63 is: 17,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.46 : 19,206.24 = 12,794.63 : x
  2. Step 2: Convert to fraction form
    13,915.46/19,206.24 = 12,794.63/x
  3. Step 3: Cross multiply
    13,915.46x = 19,206.24 × 12,794.63
  4. Step 4: Simplify right side
    13,915.46x = 245,736,734.49
  5. Step 5: Solve for x
    x = 245,736,734.49/13,915.46
  6. Step 6: Final answer
    x = 17,659.26

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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.