Home / 17,622.80-24,301.32-12,315.68

Finding the Fourth Proportional to 17,622.80, 24,301.32 and 12,315.68

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Solution

The fourth proportional to 17,622.80, 24,301.32 and 12,315.68 is: 16,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.80 : 24,301.32 = 12,315.68 : x
  2. Step 2: Convert to fraction form
    17,622.80/24,301.32 = 12,315.68/x
  3. Step 3: Cross multiply
    17,622.80x = 24,301.32 × 12,315.68
  4. Step 4: Simplify right side
    17,622.80x = 299,287,280.70
  5. Step 5: Solve for x
    x = 299,287,280.70/17,622.80
  6. Step 6: Final answer
    x = 16,982.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.