Home / 14,032.32-21,047.76-4,171.68

Finding the Fourth Proportional to 14,032.32, 21,047.76 and 4,171.68

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Solution

The fourth proportional to 14,032.32, 21,047.76 and 4,171.68 is: 6,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.32 : 21,047.76 = 4,171.68 : x
  2. Step 2: Convert to fraction form
    14,032.32/21,047.76 = 4,171.68/x
  3. Step 3: Cross multiply
    14,032.32x = 21,047.76 × 4,171.68
  4. Step 4: Simplify right side
    14,032.32x = 87,804,519.44
  5. Step 5: Solve for x
    x = 87,804,519.44/14,032.32
  6. Step 6: Final answer
    x = 6,257.31

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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.