Home / 32,789.16-45,242.82-18,636.84

Finding the Fourth Proportional to 32,789.16, 45,242.82 and 18,636.84

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Solution

The fourth proportional to 32,789.16, 45,242.82 and 18,636.84 is: 25,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.16 : 45,242.82 = 18,636.84 : x
  2. Step 2: Convert to fraction form
    32,789.16/45,242.82 = 18,636.84/x
  3. Step 3: Cross multiply
    32,789.16x = 45,242.82 × 18,636.84
  4. Step 4: Simplify right side
    32,789.16x = 843,183,197.49
  5. Step 5: Solve for x
    x = 843,183,197.49/32,789.16
  6. Step 6: Final answer
    x = 25,715.30

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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.