Home / 29,519.32-40,713.62-18,909.94

Finding the Fourth Proportional to 29,519.32, 40,713.62 and 18,909.94

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Solution

The fourth proportional to 29,519.32, 40,713.62 and 18,909.94 is: 26,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,519.32 : 40,713.62 = 18,909.94 : x
  2. Step 2: Convert to fraction form
    29,519.32/40,713.62 = 18,909.94/x
  3. Step 3: Cross multiply
    29,519.32x = 40,713.62 × 18,909.94
  4. Step 4: Simplify right side
    29,519.32x = 769,892,111.38
  5. Step 5: Solve for x
    x = 769,892,111.38/29,519.32
  6. Step 6: Final answer
    x = 26,080.96

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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.