Home / 27,108.79-40,668.89-9,341.07

Finding the Fourth Proportional to 27,108.79, 40,668.89 and 9,341.07

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Solution

The fourth proportional to 27,108.79, 40,668.89 and 9,341.07 is: 14,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.79 : 40,668.89 = 9,341.07 : x
  2. Step 2: Convert to fraction form
    27,108.79/40,668.89 = 9,341.07/x
  3. Step 3: Cross multiply
    27,108.79x = 40,668.89 × 9,341.07
  4. Step 4: Simplify right side
    27,108.79x = 379,890,948.31
  5. Step 5: Solve for x
    x = 379,890,948.31/27,108.79
  6. Step 6: Final answer
    x = 14,013.57

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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.