Home / 15,269.72-22,875.84-11,972.80

Finding the Fourth Proportional to 15,269.72, 22,875.84 and 11,972.80

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Solution

The fourth proportional to 15,269.72, 22,875.84 and 11,972.80 is: 17,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.72 : 22,875.84 = 11,972.80 : x
  2. Step 2: Convert to fraction form
    15,269.72/22,875.84 = 11,972.80/x
  3. Step 3: Cross multiply
    15,269.72x = 22,875.84 × 11,972.80
  4. Step 4: Simplify right side
    15,269.72x = 273,887,857.15
  5. Step 5: Solve for x
    x = 273,887,857.15/15,269.72
  6. Step 6: Final answer
    x = 17,936.67

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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.