Home / 16,438.12-24,653.58-4,748.80

Finding the Fourth Proportional to 16,438.12, 24,653.58 and 4,748.80

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Solution

The fourth proportional to 16,438.12, 24,653.58 and 4,748.80 is: 7,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.12 : 24,653.58 = 4,748.80 : x
  2. Step 2: Convert to fraction form
    16,438.12/24,653.58 = 4,748.80/x
  3. Step 3: Cross multiply
    16,438.12x = 24,653.58 × 4,748.80
  4. Step 4: Simplify right side
    16,438.12x = 117,074,920.70
  5. Step 5: Solve for x
    x = 117,074,920.70/16,438.12
  6. Step 6: Final answer
    x = 7,122.16

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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.