Home / 15,024.92-20,725.60-9,052.80

Finding the Fourth Proportional to 15,024.92, 20,725.60 and 9,052.80

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Solution

The fourth proportional to 15,024.92, 20,725.60 and 9,052.80 is: 12,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.92 : 20,725.60 = 9,052.80 : x
  2. Step 2: Convert to fraction form
    15,024.92/20,725.60 = 9,052.80/x
  3. Step 3: Cross multiply
    15,024.92x = 20,725.60 × 9,052.80
  4. Step 4: Simplify right side
    15,024.92x = 187,624,711.68
  5. Step 5: Solve for x
    x = 187,624,711.68/15,024.92
  6. Step 6: Final answer
    x = 12,487.57

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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.