Home / 16,813.86-23,226.69-15,928.13

Finding the Fourth Proportional to 16,813.86, 23,226.69 and 15,928.13

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Solution

The fourth proportional to 16,813.86, 23,226.69 and 15,928.13 is: 22,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.86 : 23,226.69 = 15,928.13 : x
  2. Step 2: Convert to fraction form
    16,813.86/23,226.69 = 15,928.13/x
  3. Step 3: Cross multiply
    16,813.86x = 23,226.69 × 15,928.13
  4. Step 4: Simplify right side
    16,813.86x = 369,957,621.66
  5. Step 5: Solve for x
    x = 369,957,621.66/16,813.86
  6. Step 6: Final answer
    x = 22,003.13

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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.