Home / 18,632.10-25,699.27-12,653.38

Finding the Fourth Proportional to 18,632.10, 25,699.27 and 12,653.38

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Solution

The fourth proportional to 18,632.10, 25,699.27 and 12,653.38 is: 17,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.10 : 25,699.27 = 12,653.38 : x
  2. Step 2: Convert to fraction form
    18,632.10/25,699.27 = 12,653.38/x
  3. Step 3: Cross multiply
    18,632.10x = 25,699.27 × 12,653.38
  4. Step 4: Simplify right side
    18,632.10x = 325,182,629.03
  5. Step 5: Solve for x
    x = 325,182,629.03/18,632.10
  6. Step 6: Final answer
    x = 17,452.82

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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.