Home / 27,653.50-38,177.58-18,249.40

Finding the Fourth Proportional to 27,653.50, 38,177.58 and 18,249.40

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Solution

The fourth proportional to 27,653.50, 38,177.58 and 18,249.40 is: 25,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.50 : 38,177.58 = 18,249.40 : x
  2. Step 2: Convert to fraction form
    27,653.50/38,177.58 = 18,249.40/x
  3. Step 3: Cross multiply
    27,653.50x = 38,177.58 × 18,249.40
  4. Step 4: Simplify right side
    27,653.50x = 696,717,941.96
  5. Step 5: Solve for x
    x = 696,717,941.96/27,653.50
  6. Step 6: Final answer
    x = 25,194.57

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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.