Home / 32,905.13-45,409.03-18,564.94

Finding the Fourth Proportional to 32,905.13, 45,409.03 and 18,564.94

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Solution

The fourth proportional to 32,905.13, 45,409.03 and 18,564.94 is: 25,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.13 : 45,409.03 = 18,564.94 : x
  2. Step 2: Convert to fraction form
    32,905.13/45,409.03 = 18,564.94/x
  3. Step 3: Cross multiply
    32,905.13x = 45,409.03 × 18,564.94
  4. Step 4: Simplify right side
    32,905.13x = 843,015,824.58
  5. Step 5: Solve for x
    x = 843,015,824.58/32,905.13
  6. Step 6: Final answer
    x = 25,619.59

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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.