Home / 27,141.10-40,715.70-9,609.55

Finding the Fourth Proportional to 27,141.10, 40,715.70 and 9,609.55

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Solution

The fourth proportional to 27,141.10, 40,715.70 and 9,609.55 is: 14,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.10 : 40,715.70 = 9,609.55 : x
  2. Step 2: Convert to fraction form
    27,141.10/40,715.70 = 9,609.55/x
  3. Step 3: Cross multiply
    27,141.10x = 40,715.70 × 9,609.55
  4. Step 4: Simplify right side
    27,141.10x = 391,259,554.94
  5. Step 5: Solve for x
    x = 391,259,554.94/27,141.10
  6. Step 6: Final answer
    x = 14,415.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.