Home / 14,226.18-19,629.99-8,919.06

Finding the Fourth Proportional to 14,226.18, 19,629.99 and 8,919.06

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Solution

The fourth proportional to 14,226.18, 19,629.99 and 8,919.06 is: 12,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.18 : 19,629.99 = 8,919.06 : x
  2. Step 2: Convert to fraction form
    14,226.18/19,629.99 = 8,919.06/x
  3. Step 3: Cross multiply
    14,226.18x = 19,629.99 × 8,919.06
  4. Step 4: Simplify right side
    14,226.18x = 175,081,058.61
  5. Step 5: Solve for x
    x = 175,081,058.61/14,226.18
  6. Step 6: Final answer
    x = 12,306.96

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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.