Home / 27,607.08-41,411.10-9,139.56

Finding the Fourth Proportional to 27,607.08, 41,411.10 and 9,139.56

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Solution

The fourth proportional to 27,607.08, 41,411.10 and 9,139.56 is: 13,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,607.08 : 41,411.10 = 9,139.56 : x
  2. Step 2: Convert to fraction form
    27,607.08/41,411.10 = 9,139.56/x
  3. Step 3: Cross multiply
    27,607.08x = 41,411.10 × 9,139.56
  4. Step 4: Simplify right side
    27,607.08x = 378,479,233.12
  5. Step 5: Solve for x
    x = 378,479,233.12/27,607.08
  6. Step 6: Final answer
    x = 13,709.50

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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.