Home / 32,783.55-45,240.15-18,443.62

Finding the Fourth Proportional to 32,783.55, 45,240.15 and 18,443.62

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Solution

The fourth proportional to 32,783.55, 45,240.15 and 18,443.62 is: 25,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.55 : 45,240.15 = 18,443.62 : x
  2. Step 2: Convert to fraction form
    32,783.55/45,240.15 = 18,443.62/x
  3. Step 3: Cross multiply
    32,783.55x = 45,240.15 × 18,443.62
  4. Step 4: Simplify right side
    32,783.55x = 834,392,135.34
  5. Step 5: Solve for x
    x = 834,392,135.34/32,783.55
  6. Step 6: Final answer
    x = 25,451.55

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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.