Home / 16,763.45-23,133.54-9,311.45

Finding the Fourth Proportional to 16,763.45, 23,133.54 and 9,311.45

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Solution

The fourth proportional to 16,763.45, 23,133.54 and 9,311.45 is: 12,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.45 : 23,133.54 = 9,311.45 : x
  2. Step 2: Convert to fraction form
    16,763.45/23,133.54 = 9,311.45/x
  3. Step 3: Cross multiply
    16,763.45x = 23,133.54 × 9,311.45
  4. Step 4: Simplify right side
    16,763.45x = 215,406,685.37
  5. Step 5: Solve for x
    x = 215,406,685.37/16,763.45
  6. Step 6: Final answer
    x = 12,849.79

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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.