Home / 14,058.60-19,400.32-8,086.20

Finding the Fourth Proportional to 14,058.60, 19,400.32 and 8,086.20

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Solution

The fourth proportional to 14,058.60, 19,400.32 and 8,086.20 is: 11,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.60 : 19,400.32 = 8,086.20 : x
  2. Step 2: Convert to fraction form
    14,058.60/19,400.32 = 8,086.20/x
  3. Step 3: Cross multiply
    14,058.60x = 19,400.32 × 8,086.20
  4. Step 4: Simplify right side
    14,058.60x = 156,874,867.58
  5. Step 5: Solve for x
    x = 156,874,867.58/14,058.60
  6. Step 6: Final answer
    x = 11,158.64

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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.