Home / 23,059.68-31,756.92-20,771.53

Finding the Fourth Proportional to 23,059.68, 31,756.92 and 20,771.53

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Solution

The fourth proportional to 23,059.68, 31,756.92 and 20,771.53 is: 28,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,059.68 : 31,756.92 = 20,771.53 : x
  2. Step 2: Convert to fraction form
    23,059.68/31,756.92 = 20,771.53/x
  3. Step 3: Cross multiply
    23,059.68x = 31,756.92 × 20,771.53
  4. Step 4: Simplify right side
    23,059.68x = 659,639,816.49
  5. Step 5: Solve for x
    x = 659,639,816.49/23,059.68
  6. Step 6: Final answer
    x = 28,605.77

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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.