Home / 16,379.60-22,580.96-13,851.54

Finding the Fourth Proportional to 16,379.60, 22,580.96 and 13,851.54

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Solution

The fourth proportional to 16,379.60, 22,580.96 and 13,851.54 is: 19,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.60 : 22,580.96 = 13,851.54 : x
  2. Step 2: Convert to fraction form
    16,379.60/22,580.96 = 13,851.54/x
  3. Step 3: Cross multiply
    16,379.60x = 22,580.96 × 13,851.54
  4. Step 4: Simplify right side
    16,379.60x = 312,781,001.42
  5. Step 5: Solve for x
    x = 312,781,001.42/16,379.60
  6. Step 6: Final answer
    x = 19,095.77

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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.