Home / 32,684.80-45,103.36-18,538.96

Finding the Fourth Proportional to 32,684.80, 45,103.36 and 18,538.96

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Solution

The fourth proportional to 32,684.80, 45,103.36 and 18,538.96 is: 25,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,684.80 : 45,103.36 = 18,538.96 : x
  2. Step 2: Convert to fraction form
    32,684.80/45,103.36 = 18,538.96/x
  3. Step 3: Cross multiply
    32,684.80x = 45,103.36 × 18,538.96
  4. Step 4: Simplify right side
    32,684.80x = 836,169,386.91
  5. Step 5: Solve for x
    x = 836,169,386.91/32,684.80
  6. Step 6: Final answer
    x = 25,582.82

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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.