Home / 16,977.36-25,465.50-6,981.72

Finding the Fourth Proportional to 16,977.36, 25,465.50 and 6,981.72

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Solution

The fourth proportional to 16,977.36, 25,465.50 and 6,981.72 is: 10,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.36 : 25,465.50 = 6,981.72 : x
  2. Step 2: Convert to fraction form
    16,977.36/25,465.50 = 6,981.72/x
  3. Step 3: Cross multiply
    16,977.36x = 25,465.50 × 6,981.72
  4. Step 4: Simplify right side
    16,977.36x = 177,792,990.66
  5. Step 5: Solve for x
    x = 177,792,990.66/16,977.36
  6. Step 6: Final answer
    x = 10,472.36

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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.