Home / 16,054.86-22,155.80-9,340.68

Finding the Fourth Proportional to 16,054.86, 22,155.80 and 9,340.68

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Solution

The fourth proportional to 16,054.86, 22,155.80 and 9,340.68 is: 12,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.86 : 22,155.80 = 9,340.68 : x
  2. Step 2: Convert to fraction form
    16,054.86/22,155.80 = 9,340.68/x
  3. Step 3: Cross multiply
    16,054.86x = 22,155.80 × 9,340.68
  4. Step 4: Simplify right side
    16,054.86x = 206,950,191.24
  5. Step 5: Solve for x
    x = 206,950,191.24/16,054.86
  6. Step 6: Final answer
    x = 12,890.19

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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.