Home / 14,961.56-20,646.90-8,677.52

Finding the Fourth Proportional to 14,961.56, 20,646.90 and 8,677.52

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Solution

The fourth proportional to 14,961.56, 20,646.90 and 8,677.52 is: 11,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.56 : 20,646.90 = 8,677.52 : x
  2. Step 2: Convert to fraction form
    14,961.56/20,646.90 = 8,677.52/x
  3. Step 3: Cross multiply
    14,961.56x = 20,646.90 × 8,677.52
  4. Step 4: Simplify right side
    14,961.56x = 179,163,887.69
  5. Step 5: Solve for x
    x = 179,163,887.69/14,961.56
  6. Step 6: Final answer
    x = 11,974.95

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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.