Home / 25,756.79-35,528.12-20,082.43

Finding the Fourth Proportional to 25,756.79, 35,528.12 and 20,082.43

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Solution

The fourth proportional to 25,756.79, 35,528.12 and 20,082.43 is: 27,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.79 : 35,528.12 = 20,082.43 : x
  2. Step 2: Convert to fraction form
    25,756.79/35,528.12 = 20,082.43/x
  3. Step 3: Cross multiply
    25,756.79x = 35,528.12 × 20,082.43
  4. Step 4: Simplify right side
    25,756.79x = 713,491,002.24
  5. Step 5: Solve for x
    x = 713,491,002.24/25,756.79
  6. Step 6: Final answer
    x = 27,701.09

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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.