Home / 27,897.10-41,845.65-9,429.10

Finding the Fourth Proportional to 27,897.10, 41,845.65 and 9,429.10

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Solution

The fourth proportional to 27,897.10, 41,845.65 and 9,429.10 is: 14,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.10 : 41,845.65 = 9,429.10 : x
  2. Step 2: Convert to fraction form
    27,897.10/41,845.65 = 9,429.10/x
  3. Step 3: Cross multiply
    27,897.10x = 41,845.65 × 9,429.10
  4. Step 4: Simplify right side
    27,897.10x = 394,566,818.42
  5. Step 5: Solve for x
    x = 394,566,818.42/27,897.10
  6. Step 6: Final answer
    x = 14,143.65

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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.