Home / 14,863.50-20,511.64-8,895.42

Finding the Fourth Proportional to 14,863.50, 20,511.64 and 8,895.42

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Solution

The fourth proportional to 14,863.50, 20,511.64 and 8,895.42 is: 12,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.50 : 20,511.64 = 8,895.42 : x
  2. Step 2: Convert to fraction form
    14,863.50/20,511.64 = 8,895.42/x
  3. Step 3: Cross multiply
    14,863.50x = 20,511.64 × 8,895.42
  4. Step 4: Simplify right side
    14,863.50x = 182,459,652.69
  5. Step 5: Solve for x
    x = 182,459,652.69/14,863.50
  6. Step 6: Final answer
    x = 12,275.69

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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.