Home / 17,124.24-23,622.12-12,400.32

Finding the Fourth Proportional to 17,124.24, 23,622.12 and 12,400.32

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Solution

The fourth proportional to 17,124.24, 23,622.12 and 12,400.32 is: 17,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.24 : 23,622.12 = 12,400.32 : x
  2. Step 2: Convert to fraction form
    17,124.24/23,622.12 = 12,400.32/x
  3. Step 3: Cross multiply
    17,124.24x = 23,622.12 × 12,400.32
  4. Step 4: Simplify right side
    17,124.24x = 292,921,847.08
  5. Step 5: Solve for x
    x = 292,921,847.08/17,124.24
  6. Step 6: Final answer
    x = 17,105.68

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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.