Home / 14,852.87-20,496.18-8,479.21

Finding the Fourth Proportional to 14,852.87, 20,496.18 and 8,479.21

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Solution

The fourth proportional to 14,852.87, 20,496.18 and 8,479.21 is: 11,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.87 : 20,496.18 = 8,479.21 : x
  2. Step 2: Convert to fraction form
    14,852.87/20,496.18 = 8,479.21/x
  3. Step 3: Cross multiply
    14,852.87x = 20,496.18 × 8,479.21
  4. Step 4: Simplify right side
    14,852.87x = 173,791,414.42
  5. Step 5: Solve for x
    x = 173,791,414.42/14,852.87
  6. Step 6: Final answer
    x = 11,700.86

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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.