Home / 23,400.72-32,292.94-12,790.35

Finding the Fourth Proportional to 23,400.72, 32,292.94 and 12,790.35

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Solution

The fourth proportional to 23,400.72, 32,292.94 and 12,790.35 is: 17,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.72 : 32,292.94 = 12,790.35 : x
  2. Step 2: Convert to fraction form
    23,400.72/32,292.94 = 12,790.35/x
  3. Step 3: Cross multiply
    23,400.72x = 32,292.94 × 12,790.35
  4. Step 4: Simplify right side
    23,400.72x = 413,038,005.13
  5. Step 5: Solve for x
    x = 413,038,005.13/23,400.72
  6. Step 6: Final answer
    x = 17,650.65

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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.