Home / 29,484.16-40,684.80-16,912.96

Finding the Fourth Proportional to 29,484.16, 40,684.80 and 16,912.96

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Solution

The fourth proportional to 29,484.16, 40,684.80 and 16,912.96 is: 23,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.16 : 40,684.80 = 16,912.96 : x
  2. Step 2: Convert to fraction form
    29,484.16/40,684.80 = 16,912.96/x
  3. Step 3: Cross multiply
    29,484.16x = 40,684.80 × 16,912.96
  4. Step 4: Simplify right side
    29,484.16x = 688,100,395.01
  5. Step 5: Solve for x
    x = 688,100,395.01/29,484.16
  6. Step 6: Final answer
    x = 23,337.97

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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.