Home / 15,667.73-21,624.45-12,257.94

Finding the Fourth Proportional to 15,667.73, 21,624.45 and 12,257.94

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Solution

The fourth proportional to 15,667.73, 21,624.45 and 12,257.94 is: 16,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.73 : 21,624.45 = 12,257.94 : x
  2. Step 2: Convert to fraction form
    15,667.73/21,624.45 = 12,257.94/x
  3. Step 3: Cross multiply
    15,667.73x = 21,624.45 × 12,257.94
  4. Step 4: Simplify right side
    15,667.73x = 265,071,245.76
  5. Step 5: Solve for x
    x = 265,071,245.76/15,667.73
  6. Step 6: Final answer
    x = 16,918.29

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1.5x scale

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.