Home / 14,886.80-20,544.04-8,173.05

Finding the Fourth Proportional to 14,886.80, 20,544.04 and 8,173.05

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Solution

The fourth proportional to 14,886.80, 20,544.04 and 8,173.05 is: 11,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.80 : 20,544.04 = 8,173.05 : x
  2. Step 2: Convert to fraction form
    14,886.80/20,544.04 = 8,173.05/x
  3. Step 3: Cross multiply
    14,886.80x = 20,544.04 × 8,173.05
  4. Step 4: Simplify right side
    14,886.80x = 167,907,445.69
  5. Step 5: Solve for x
    x = 167,907,445.69/14,886.80
  6. Step 6: Final answer
    x = 11,278.95

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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.