Home / 16,521.20-24,786.66-6,655.40

Finding the Fourth Proportional to 16,521.20, 24,786.66 and 6,655.40

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Solution

The fourth proportional to 16,521.20, 24,786.66 and 6,655.40 is: 9,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.20 : 24,786.66 = 6,655.40 : x
  2. Step 2: Convert to fraction form
    16,521.20/24,786.66 = 6,655.40/x
  3. Step 3: Cross multiply
    16,521.20x = 24,786.66 × 6,655.40
  4. Step 4: Simplify right side
    16,521.20x = 164,965,223.89
  5. Step 5: Solve for x
    x = 164,965,223.89/16,521.20
  6. Step 6: Final answer
    x = 9,985.06

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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.