Home / 32,666.30-45,079.77-18,519.38

Finding the Fourth Proportional to 32,666.30, 45,079.77 and 18,519.38

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Solution

The fourth proportional to 32,666.30, 45,079.77 and 18,519.38 is: 25,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.30 : 45,079.77 = 18,519.38 : x
  2. Step 2: Convert to fraction form
    32,666.30/45,079.77 = 18,519.38/x
  3. Step 3: Cross multiply
    32,666.30x = 45,079.77 × 18,519.38
  4. Step 4: Simplify right side
    32,666.30x = 834,849,390.94
  5. Step 5: Solve for x
    x = 834,849,390.94/32,666.30
  6. Step 6: Final answer
    x = 25,556.90

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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.