Home / 22,047.86-30,426.12-11,976.46

Finding the Fourth Proportional to 22,047.86, 30,426.12 and 11,976.46

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Solution

The fourth proportional to 22,047.86, 30,426.12 and 11,976.46 is: 16,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.86 : 30,426.12 = 11,976.46 : x
  2. Step 2: Convert to fraction form
    22,047.86/30,426.12 = 11,976.46/x
  3. Step 3: Cross multiply
    22,047.86x = 30,426.12 × 11,976.46
  4. Step 4: Simplify right side
    22,047.86x = 364,397,133.07
  5. Step 5: Solve for x
    x = 364,397,133.07/22,047.86
  6. Step 6: Final answer
    x = 16,527.55

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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.