Home / 14,170.92-19,558.28-8,205.84

Finding the Fourth Proportional to 14,170.92, 19,558.28 and 8,205.84

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Solution

The fourth proportional to 14,170.92, 19,558.28 and 8,205.84 is: 11,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.92 : 19,558.28 = 8,205.84 : x
  2. Step 2: Convert to fraction form
    14,170.92/19,558.28 = 8,205.84/x
  3. Step 3: Cross multiply
    14,170.92x = 19,558.28 × 8,205.84
  4. Step 4: Simplify right side
    14,170.92x = 160,492,116.36
  5. Step 5: Solve for x
    x = 160,492,116.36/14,170.92
  6. Step 6: Final answer
    x = 11,325.45

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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.