Home / 22,824.45-31,484.97-13,391.19

Finding the Fourth Proportional to 22,824.45, 31,484.97 and 13,391.19

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Solution

The fourth proportional to 22,824.45, 31,484.97 and 13,391.19 is: 18,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,824.45 : 31,484.97 = 13,391.19 : x
  2. Step 2: Convert to fraction form
    22,824.45/31,484.97 = 13,391.19/x
  3. Step 3: Cross multiply
    22,824.45x = 31,484.97 × 13,391.19
  4. Step 4: Simplify right side
    22,824.45x = 421,621,215.41
  5. Step 5: Solve for x
    x = 421,621,215.41/22,824.45
  6. Step 6: Final answer
    x = 18,472.35

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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.