Home / 20,959.24-28,923.18-11,527.80

Finding the Fourth Proportional to 20,959.24, 28,923.18 and 11,527.80

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Solution

The fourth proportional to 20,959.24, 28,923.18 and 11,527.80 is: 15,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959.24 : 28,923.18 = 11,527.80 : x
  2. Step 2: Convert to fraction form
    20,959.24/28,923.18 = 11,527.80/x
  3. Step 3: Cross multiply
    20,959.24x = 28,923.18 × 11,527.80
  4. Step 4: Simplify right side
    20,959.24x = 333,420,634.40
  5. Step 5: Solve for x
    x = 333,420,634.40/20,959.24
  6. Step 6: Final answer
    x = 15,908.05

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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.