Home / 14,035.20-19,369.90-8,070.36

Finding the Fourth Proportional to 14,035.20, 19,369.90 and 8,070.36

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Solution

The fourth proportional to 14,035.20, 19,369.90 and 8,070.36 is: 11,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.20 : 19,369.90 = 8,070.36 : x
  2. Step 2: Convert to fraction form
    14,035.20/19,369.90 = 8,070.36/x
  3. Step 3: Cross multiply
    14,035.20x = 19,369.90 × 8,070.36
  4. Step 4: Simplify right side
    14,035.20x = 156,322,066.16
  5. Step 5: Solve for x
    x = 156,322,066.16/14,035.20
  6. Step 6: Final answer
    x = 11,137.86

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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.