Home / 14,019.51-21,029.16-4,157.97

Finding the Fourth Proportional to 14,019.51, 21,029.16 and 4,157.97

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Solution

The fourth proportional to 14,019.51, 21,029.16 and 4,157.97 is: 6,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.51 : 21,029.16 = 4,157.97 : x
  2. Step 2: Convert to fraction form
    14,019.51/21,029.16 = 4,157.97/x
  3. Step 3: Cross multiply
    14,019.51x = 21,029.16 × 4,157.97
  4. Step 4: Simplify right side
    14,019.51x = 87,438,616.41
  5. Step 5: Solve for x
    x = 87,438,616.41/14,019.51
  6. Step 6: Final answer
    x = 6,236.92

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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.