Home / 13,123.73-19,675.20-6,546.53

Finding the Fourth Proportional to 13,123.73, 19,675.20 and 6,546.53

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Solution

The fourth proportional to 13,123.73, 19,675.20 and 6,546.53 is: 9,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.73 : 19,675.20 = 6,546.53 : x
  2. Step 2: Convert to fraction form
    13,123.73/19,675.20 = 6,546.53/x
  3. Step 3: Cross multiply
    13,123.73x = 19,675.20 × 6,546.53
  4. Step 4: Simplify right side
    13,123.73x = 128,804,287.06
  5. Step 5: Solve for x
    x = 128,804,287.06/13,123.73
  6. Step 6: Final answer
    x = 9,814.61

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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.