Home / 16,412.32-24,622.04-5,320.12

Finding the Fourth Proportional to 16,412.32, 24,622.04 and 5,320.12

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Solution

The fourth proportional to 16,412.32, 24,622.04 and 5,320.12 is: 7,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.32 : 24,622.04 = 5,320.12 : x
  2. Step 2: Convert to fraction form
    16,412.32/24,622.04 = 5,320.12/x
  3. Step 3: Cross multiply
    16,412.32x = 24,622.04 × 5,320.12
  4. Step 4: Simplify right side
    16,412.32x = 130,992,207.44
  5. Step 5: Solve for x
    x = 130,992,207.44/16,412.32
  6. Step 6: Final answer
    x = 7,981.33

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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.