Home / 32,782.29-45,239.45-18,635.13

Finding the Fourth Proportional to 32,782.29, 45,239.45 and 18,635.13

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Solution

The fourth proportional to 32,782.29, 45,239.45 and 18,635.13 is: 25,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,782.29 : 45,239.45 = 18,635.13 : x
  2. Step 2: Convert to fraction form
    32,782.29/45,239.45 = 18,635.13/x
  3. Step 3: Cross multiply
    32,782.29x = 45,239.45 × 18,635.13
  4. Step 4: Simplify right side
    32,782.29x = 843,042,938.70
  5. Step 5: Solve for x
    x = 843,042,938.70/32,782.29
  6. Step 6: Final answer
    x = 25,716.41

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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.