Home / 16,660.65-24,990.36-4,180.77

Finding the Fourth Proportional to 16,660.65, 24,990.36 and 4,180.77

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Solution

The fourth proportional to 16,660.65, 24,990.36 and 4,180.77 is: 6,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.65 : 24,990.36 = 4,180.77 : x
  2. Step 2: Convert to fraction form
    16,660.65/24,990.36 = 4,180.77/x
  3. Step 3: Cross multiply
    16,660.65x = 24,990.36 × 4,180.77
  4. Step 4: Simplify right side
    16,660.65x = 104,478,947.38
  5. Step 5: Solve for x
    x = 104,478,947.38/16,660.65
  6. Step 6: Final answer
    x = 6,271.00

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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.