Home / 14,706.08-20,295.12-9,118.88

Finding the Fourth Proportional to 14,706.08, 20,295.12 and 9,118.88

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Solution

The fourth proportional to 14,706.08, 20,295.12 and 9,118.88 is: 12,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.08 : 20,295.12 = 9,118.88 : x
  2. Step 2: Convert to fraction form
    14,706.08/20,295.12 = 9,118.88/x
  3. Step 3: Cross multiply
    14,706.08x = 20,295.12 × 9,118.88
  4. Step 4: Simplify right side
    14,706.08x = 185,068,763.87
  5. Step 5: Solve for x
    x = 185,068,763.87/14,706.08
  6. Step 6: Final answer
    x = 12,584.51

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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.