Home / 25,153.27-34,713.45-15,082.12

Finding the Fourth Proportional to 25,153.27, 34,713.45 and 15,082.12

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Solution

The fourth proportional to 25,153.27, 34,713.45 and 15,082.12 is: 20,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.27 : 34,713.45 = 15,082.12 : x
  2. Step 2: Convert to fraction form
    25,153.27/34,713.45 = 15,082.12/x
  3. Step 3: Cross multiply
    25,153.27x = 34,713.45 × 15,082.12
  4. Step 4: Simplify right side
    25,153.27x = 523,552,418.51
  5. Step 5: Solve for x
    x = 523,552,418.51/25,153.27
  6. Step 6: Final answer
    x = 20,814.49

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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.