Home / 14,633.10-20,187.72-10,813.86

Finding the Fourth Proportional to 14,633.10, 20,187.72 and 10,813.86

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Solution

The fourth proportional to 14,633.10, 20,187.72 and 10,813.86 is: 14,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.10 : 20,187.72 = 10,813.86 : x
  2. Step 2: Convert to fraction form
    14,633.10/20,187.72 = 10,813.86/x
  3. Step 3: Cross multiply
    14,633.10x = 20,187.72 × 10,813.86
  4. Step 4: Simplify right side
    14,633.10x = 218,307,177.80
  5. Step 5: Solve for x
    x = 218,307,177.80/14,633.10
  6. Step 6: Final answer
    x = 14,918.72

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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.