Home / 22,480.68-31,024.20-12,409.56

Finding the Fourth Proportional to 22,480.68, 31,024.20 and 12,409.56

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Solution

The fourth proportional to 22,480.68, 31,024.20 and 12,409.56 is: 17,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.68 : 31,024.20 = 12,409.56 : x
  2. Step 2: Convert to fraction form
    22,480.68/31,024.20 = 12,409.56/x
  3. Step 3: Cross multiply
    22,480.68x = 31,024.20 × 12,409.56
  4. Step 4: Simplify right side
    22,480.68x = 384,996,671.35
  5. Step 5: Solve for x
    x = 384,996,671.35/22,480.68
  6. Step 6: Final answer
    x = 17,125.67

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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.