Home / 12,995.90-19,496.24-4,113.45

Finding the Fourth Proportional to 12,995.90, 19,496.24 and 4,113.45

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Solution

The fourth proportional to 12,995.90, 19,496.24 and 4,113.45 is: 6,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.90 : 19,496.24 = 4,113.45 : x
  2. Step 2: Convert to fraction form
    12,995.90/19,496.24 = 4,113.45/x
  3. Step 3: Cross multiply
    12,995.90x = 19,496.24 × 4,113.45
  4. Step 4: Simplify right side
    12,995.90x = 80,196,787.86
  5. Step 5: Solve for x
    x = 80,196,787.86/12,995.90
  6. Step 6: Final answer
    x = 6,170.93

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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.