Home / 32,909.69-45,415.37-18,572.55

Finding the Fourth Proportional to 32,909.69, 45,415.37 and 18,572.55

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Solution

The fourth proportional to 32,909.69, 45,415.37 and 18,572.55 is: 25,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.69 : 45,415.37 = 18,572.55 : x
  2. Step 2: Convert to fraction form
    32,909.69/45,415.37 = 18,572.55/x
  3. Step 3: Cross multiply
    32,909.69x = 45,415.37 × 18,572.55
  4. Step 4: Simplify right side
    32,909.69x = 843,479,137.23
  5. Step 5: Solve for x
    x = 843,479,137.23/32,909.69
  6. Step 6: Final answer
    x = 25,630.12

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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.