Home / 32,685.68-45,104.90-18,538.22

Finding the Fourth Proportional to 32,685.68, 45,104.90 and 18,538.22

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Solution

The fourth proportional to 32,685.68, 45,104.90 and 18,538.22 is: 25,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.68 : 45,104.90 = 18,538.22 : x
  2. Step 2: Convert to fraction form
    32,685.68/45,104.90 = 18,538.22/x
  3. Step 3: Cross multiply
    32,685.68x = 45,104.90 × 18,538.22
  4. Step 4: Simplify right side
    32,685.68x = 836,164,559.28
  5. Step 5: Solve for x
    x = 836,164,559.28/32,685.68
  6. Step 6: Final answer
    x = 25,581.98

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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.