Home / 14,561.50-20,097.21-8,277.70

Finding the Fourth Proportional to 14,561.50, 20,097.21 and 8,277.70

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Solution

The fourth proportional to 14,561.50, 20,097.21 and 8,277.70 is: 11,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.50 : 20,097.21 = 8,277.70 : x
  2. Step 2: Convert to fraction form
    14,561.50/20,097.21 = 8,277.70/x
  3. Step 3: Cross multiply
    14,561.50x = 20,097.21 × 8,277.70
  4. Step 4: Simplify right side
    14,561.50x = 166,358,675.22
  5. Step 5: Solve for x
    x = 166,358,675.22/14,561.50
  6. Step 6: Final answer
    x = 11,424.56

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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.