Home / 21,250.55-29,324.49-12,297.41

Finding the Fourth Proportional to 21,250.55, 29,324.49 and 12,297.41

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Solution

The fourth proportional to 21,250.55, 29,324.49 and 12,297.41 is: 16,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.55 : 29,324.49 = 12,297.41 : x
  2. Step 2: Convert to fraction form
    21,250.55/29,324.49 = 12,297.41/x
  3. Step 3: Cross multiply
    21,250.55x = 29,324.49 × 12,297.41
  4. Step 4: Simplify right side
    21,250.55x = 360,615,276.57
  5. Step 5: Solve for x
    x = 360,615,276.57/21,250.55
  6. Step 6: Final answer
    x = 16,969.70

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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.