Home / 14,845.50-20,502.66-10,086.72

Finding the Fourth Proportional to 14,845.50, 20,502.66 and 10,086.72

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Solution

The fourth proportional to 14,845.50, 20,502.66 and 10,086.72 is: 13,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.50 : 20,502.66 = 10,086.72 : x
  2. Step 2: Convert to fraction form
    14,845.50/20,502.66 = 10,086.72/x
  3. Step 3: Cross multiply
    14,845.50x = 20,502.66 × 10,086.72
  4. Step 4: Simplify right side
    14,845.50x = 206,804,590.68
  5. Step 5: Solve for x
    x = 206,804,590.68/14,845.50
  6. Step 6: Final answer
    x = 13,930.46

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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.