Home / 16,618.40-24,797.38-16,521.20

Finding the Fourth Proportional to 16,618.40, 24,797.38 and 16,521.20

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Solution

The fourth proportional to 16,618.40, 24,797.38 and 16,521.20 is: 24,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.40 : 24,797.38 = 16,521.20 : x
  2. Step 2: Convert to fraction form
    16,618.40/24,797.38 = 16,521.20/x
  3. Step 3: Cross multiply
    16,618.40x = 24,797.38 × 16,521.20
  4. Step 4: Simplify right side
    16,618.40x = 409,682,474.46
  5. Step 5: Solve for x
    x = 409,682,474.46/16,618.40
  6. Step 6: Final answer
    x = 24,652.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.