Home / 22,481.52-31,024.96-12,409.92

Finding the Fourth Proportional to 22,481.52, 31,024.96 and 12,409.92

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Solution

The fourth proportional to 22,481.52, 31,024.96 and 12,409.92 is: 17,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.52 : 31,024.96 = 12,409.92 : x
  2. Step 2: Convert to fraction form
    22,481.52/31,024.96 = 12,409.92/x
  3. Step 3: Cross multiply
    22,481.52x = 31,024.96 × 12,409.92
  4. Step 4: Simplify right side
    22,481.52x = 385,017,271.60
  5. Step 5: Solve for x
    x = 385,017,271.60/22,481.52
  6. Step 6: Final answer
    x = 17,125.94

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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.