Home / 13,475.06-18,595.09-7,506.61

Finding the Fourth Proportional to 13,475.06, 18,595.09 and 7,506.61

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Solution

The fourth proportional to 13,475.06, 18,595.09 and 7,506.61 is: 10,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.06 : 18,595.09 = 7,506.61 : x
  2. Step 2: Convert to fraction form
    13,475.06/18,595.09 = 7,506.61/x
  3. Step 3: Cross multiply
    13,475.06x = 18,595.09 × 7,506.61
  4. Step 4: Simplify right side
    13,475.06x = 139,586,088.54
  5. Step 5: Solve for x
    x = 139,586,088.54/13,475.06
  6. Step 6: Final answer
    x = 10,358.85

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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.