Home / 14,194.80-19,587.88-8,529.78

Finding the Fourth Proportional to 14,194.80, 19,587.88 and 8,529.78

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Solution

The fourth proportional to 14,194.80, 19,587.88 and 8,529.78 is: 11,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.80 : 19,587.88 = 8,529.78 : x
  2. Step 2: Convert to fraction form
    14,194.80/19,587.88 = 8,529.78/x
  3. Step 3: Cross multiply
    14,194.80x = 19,587.88 × 8,529.78
  4. Step 4: Simplify right side
    14,194.80x = 167,080,307.07
  5. Step 5: Solve for x
    x = 167,080,307.07/14,194.80
  6. Step 6: Final answer
    x = 11,770.53

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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.