Home / 16,480.09-24,728.86-8,989.06

Finding the Fourth Proportional to 16,480.09, 24,728.86 and 8,989.06

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Solution

The fourth proportional to 16,480.09, 24,728.86 and 8,989.06 is: 13,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.09 : 24,728.86 = 8,989.06 : x
  2. Step 2: Convert to fraction form
    16,480.09/24,728.86 = 8,989.06/x
  3. Step 3: Cross multiply
    16,480.09x = 24,728.86 × 8,989.06
  4. Step 4: Simplify right side
    16,480.09x = 222,289,206.27
  5. Step 5: Solve for x
    x = 222,289,206.27/16,480.09
  6. Step 6: Final answer
    x = 13,488.35

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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.