Home / 14,058.74-21,088.12-4,198.20

Finding the Fourth Proportional to 14,058.74, 21,088.12 and 4,198.20

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Solution

The fourth proportional to 14,058.74, 21,088.12 and 4,198.20 is: 6,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.74 : 21,088.12 = 4,198.20 : x
  2. Step 2: Convert to fraction form
    14,058.74/21,088.12 = 4,198.20/x
  3. Step 3: Cross multiply
    14,058.74x = 21,088.12 × 4,198.20
  4. Step 4: Simplify right side
    14,058.74x = 88,532,145.38
  5. Step 5: Solve for x
    x = 88,532,145.38/14,058.74
  6. Step 6: Final answer
    x = 6,297.30

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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.