Home / 29,188.46-40,274.72-16,438.91

Finding the Fourth Proportional to 29,188.46, 40,274.72 and 16,438.91

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Solution

The fourth proportional to 29,188.46, 40,274.72 and 16,438.91 is: 22,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.46 : 40,274.72 = 16,438.91 : x
  2. Step 2: Convert to fraction form
    29,188.46/40,274.72 = 16,438.91/x
  3. Step 3: Cross multiply
    29,188.46x = 40,274.72 × 16,438.91
  4. Step 4: Simplify right side
    29,188.46x = 662,072,315.45
  5. Step 5: Solve for x
    x = 662,072,315.45/29,188.46
  6. Step 6: Final answer
    x = 22,682.68

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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.