Home / 19,640.81-29,461.22-16,170.77

Finding the Fourth Proportional to 19,640.81, 29,461.22 and 16,170.77

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Solution

The fourth proportional to 19,640.81, 29,461.22 and 16,170.77 is: 24,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.81 : 29,461.22 = 16,170.77 : x
  2. Step 2: Convert to fraction form
    19,640.81/29,461.22 = 16,170.77/x
  3. Step 3: Cross multiply
    19,640.81x = 29,461.22 × 16,170.77
  4. Step 4: Simplify right side
    19,640.81x = 476,410,612.54
  5. Step 5: Solve for x
    x = 476,410,612.54/19,640.81
  6. Step 6: Final answer
    x = 24,256.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.