Home / 15,127.45-22,671.46-7,725.67

Finding the Fourth Proportional to 15,127.45, 22,671.46 and 7,725.67

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Solution

The fourth proportional to 15,127.45, 22,671.46 and 7,725.67 is: 11,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.45 : 22,671.46 = 7,725.67 : x
  2. Step 2: Convert to fraction form
    15,127.45/22,671.46 = 7,725.67/x
  3. Step 3: Cross multiply
    15,127.45x = 22,671.46 × 7,725.67
  4. Step 4: Simplify right side
    15,127.45x = 175,152,218.38
  5. Step 5: Solve for x
    x = 175,152,218.38/15,127.45
  6. Step 6: Final answer
    x = 11,578.44

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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.