Home / 16,117.56-22,240.80-9,403.77

Finding the Fourth Proportional to 16,117.56, 22,240.80 and 9,403.77

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Solution

The fourth proportional to 16,117.56, 22,240.80 and 9,403.77 is: 12,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.56 : 22,240.80 = 9,403.77 : x
  2. Step 2: Convert to fraction form
    16,117.56/22,240.80 = 9,403.77/x
  3. Step 3: Cross multiply
    16,117.56x = 22,240.80 × 9,403.77
  4. Step 4: Simplify right side
    16,117.56x = 209,147,367.82
  5. Step 5: Solve for x
    x = 209,147,367.82/16,117.56
  6. Step 6: Final answer
    x = 12,976.37

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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.