Home / 29,516.24-40,736.04-18,188.12

Finding the Fourth Proportional to 29,516.24, 40,736.04 and 18,188.12

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Solution

The fourth proportional to 29,516.24, 40,736.04 and 18,188.12 is: 25,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,516.24 : 40,736.04 = 18,188.12 : x
  2. Step 2: Convert to fraction form
    29,516.24/40,736.04 = 18,188.12/x
  3. Step 3: Cross multiply
    29,516.24x = 40,736.04 × 18,188.12
  4. Step 4: Simplify right side
    29,516.24x = 740,911,983.84
  5. Step 5: Solve for x
    x = 740,911,983.84/29,516.24
  6. Step 6: Final answer
    x = 25,101.84

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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.