Home / 32,818.77-45,289.67-18,672.39

Finding the Fourth Proportional to 32,818.77, 45,289.67 and 18,672.39

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Solution

The fourth proportional to 32,818.77, 45,289.67 and 18,672.39 is: 25,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,818.77 : 45,289.67 = 18,672.39 : x
  2. Step 2: Convert to fraction form
    32,818.77/45,289.67 = 18,672.39/x
  3. Step 3: Cross multiply
    32,818.77x = 45,289.67 × 18,672.39
  4. Step 4: Simplify right side
    32,818.77x = 845,666,287.85
  5. Step 5: Solve for x
    x = 845,666,287.85/32,818.77
  6. Step 6: Final answer
    x = 25,767.76

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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.