Home / 16,216.86-22,379.40-9,502.68

Finding the Fourth Proportional to 16,216.86, 22,379.40 and 9,502.68

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Solution

The fourth proportional to 16,216.86, 22,379.40 and 9,502.68 is: 13,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.86 : 22,379.40 = 9,502.68 : x
  2. Step 2: Convert to fraction form
    16,216.86/22,379.40 = 9,502.68/x
  3. Step 3: Cross multiply
    16,216.86x = 22,379.40 × 9,502.68
  4. Step 4: Simplify right side
    16,216.86x = 212,664,276.79
  5. Step 5: Solve for x
    x = 212,664,276.79/16,216.86
  6. Step 6: Final answer
    x = 13,113.78

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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.