Home / 32,909.56-45,415.19-18,572.43

Finding the Fourth Proportional to 32,909.56, 45,415.19 and 18,572.43

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Solution

The fourth proportional to 32,909.56, 45,415.19 and 18,572.43 is: 25,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.56 : 45,415.19 = 18,572.43 : x
  2. Step 2: Convert to fraction form
    32,909.56/45,415.19 = 18,572.43/x
  3. Step 3: Cross multiply
    32,909.56x = 45,415.19 × 18,572.43
  4. Step 4: Simplify right side
    32,909.56x = 843,470,437.21
  5. Step 5: Solve for x
    x = 843,470,437.21/32,909.56
  6. Step 6: Final answer
    x = 25,629.95

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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.