Home / 14,129.82-19,495.20-8,830.02

Finding the Fourth Proportional to 14,129.82, 19,495.20 and 8,830.02

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Solution

The fourth proportional to 14,129.82, 19,495.20 and 8,830.02 is: 12,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.82 : 19,495.20 = 8,830.02 : x
  2. Step 2: Convert to fraction form
    14,129.82/19,495.20 = 8,830.02/x
  3. Step 3: Cross multiply
    14,129.82x = 19,495.20 × 8,830.02
  4. Step 4: Simplify right side
    14,129.82x = 172,143,005.90
  5. Step 5: Solve for x
    x = 172,143,005.90/14,129.82
  6. Step 6: Final answer
    x = 12,182.96

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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.