Home / 14,895.56-20,558.40-8,611.76

Finding the Fourth Proportional to 14,895.56, 20,558.40 and 8,611.76

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Solution

The fourth proportional to 14,895.56, 20,558.40 and 8,611.76 is: 11,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.56 : 20,558.40 = 8,611.76 : x
  2. Step 2: Convert to fraction form
    14,895.56/20,558.40 = 8,611.76/x
  3. Step 3: Cross multiply
    14,895.56x = 20,558.40 × 8,611.76
  4. Step 4: Simplify right side
    14,895.56x = 177,044,006.78
  5. Step 5: Solve for x
    x = 177,044,006.78/14,895.56
  6. Step 6: Final answer
    x = 11,885.69

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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.