Home / 23,400.85-32,292.06-12,790.50

Finding the Fourth Proportional to 23,400.85, 32,292.06 and 12,790.50

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Solution

The fourth proportional to 23,400.85, 32,292.06 and 12,790.50 is: 17,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.85 : 32,292.06 = 12,790.50 : x
  2. Step 2: Convert to fraction form
    23,400.85/32,292.06 = 12,790.50/x
  3. Step 3: Cross multiply
    23,400.85x = 32,292.06 × 12,790.50
  4. Step 4: Simplify right side
    23,400.85x = 413,031,593.43
  5. Step 5: Solve for x
    x = 413,031,593.43/23,400.85
  6. Step 6: Final answer
    x = 17,650.28

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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.