Home / 32,905.75-45,409.89-18,565.56

Finding the Fourth Proportional to 32,905.75, 45,409.89 and 18,565.56

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Solution

The fourth proportional to 32,905.75, 45,409.89 and 18,565.56 is: 25,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.75 : 45,409.89 = 18,565.56 : x
  2. Step 2: Convert to fraction form
    32,905.75/45,409.89 = 18,565.56/x
  3. Step 3: Cross multiply
    32,905.75x = 45,409.89 × 18,565.56
  4. Step 4: Simplify right side
    32,905.75x = 843,060,037.39
  5. Step 5: Solve for x
    x = 843,060,037.39/32,905.75
  6. Step 6: Final answer
    x = 25,620.45

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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.