Home / 14,790.87-22,175.36-6,990.57

Finding the Fourth Proportional to 14,790.87, 22,175.36 and 6,990.57

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Solution

The fourth proportional to 14,790.87, 22,175.36 and 6,990.57 is: 10,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.87 : 22,175.36 = 6,990.57 : x
  2. Step 2: Convert to fraction form
    14,790.87/22,175.36 = 6,990.57/x
  3. Step 3: Cross multiply
    14,790.87x = 22,175.36 × 6,990.57
  4. Step 4: Simplify right side
    14,790.87x = 155,018,371.40
  5. Step 5: Solve for x
    x = 155,018,371.40/14,790.87
  6. Step 6: Final answer
    x = 10,480.68

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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.