Home / 16,808.45-23,178.47-11,141.23

Finding the Fourth Proportional to 16,808.45, 23,178.47 and 11,141.23

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Solution

The fourth proportional to 16,808.45, 23,178.47 and 11,141.23 is: 15,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.45 : 23,178.47 = 11,141.23 : x
  2. Step 2: Convert to fraction form
    16,808.45/23,178.47 = 11,141.23/x
  3. Step 3: Cross multiply
    16,808.45x = 23,178.47 × 11,141.23
  4. Step 4: Simplify right side
    16,808.45x = 258,236,665.32
  5. Step 5: Solve for x
    x = 258,236,665.32/16,808.45
  6. Step 6: Final answer
    x = 15,363.50

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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.