Home / 29,637.12-40,899.24-16,889.94

Finding the Fourth Proportional to 29,637.12, 40,899.24 and 16,889.94

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Solution

The fourth proportional to 29,637.12, 40,899.24 and 16,889.94 is: 23,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,637.12 : 40,899.24 = 16,889.94 : x
  2. Step 2: Convert to fraction form
    29,637.12/40,899.24 = 16,889.94/x
  3. Step 3: Cross multiply
    29,637.12x = 40,899.24 × 16,889.94
  4. Step 4: Simplify right side
    29,637.12x = 690,785,709.65
  5. Step 5: Solve for x
    x = 690,785,709.65/29,637.12
  6. Step 6: Final answer
    x = 23,308.13

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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.