Home / 27,653.67-38,160.32-18,234.99

Finding the Fourth Proportional to 27,653.67, 38,160.32 and 18,234.99

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Solution

The fourth proportional to 27,653.67, 38,160.32 and 18,234.99 is: 25,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.67 : 38,160.32 = 18,234.99 : x
  2. Step 2: Convert to fraction form
    27,653.67/38,160.32 = 18,234.99/x
  3. Step 3: Cross multiply
    27,653.67x = 38,160.32 × 18,234.99
  4. Step 4: Simplify right side
    27,653.67x = 695,852,962.42
  5. Step 5: Solve for x
    x = 695,852,962.42/27,653.67
  6. Step 6: Final answer
    x = 25,163.13

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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.