Home / 32,709.30-45,139.05-18,562.38

Finding the Fourth Proportional to 32,709.30, 45,139.05 and 18,562.38

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Solution

The fourth proportional to 32,709.30, 45,139.05 and 18,562.38 is: 25,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.30 : 45,139.05 = 18,562.38 : x
  2. Step 2: Convert to fraction form
    32,709.30/45,139.05 = 18,562.38/x
  3. Step 3: Cross multiply
    32,709.30x = 45,139.05 × 18,562.38
  4. Step 4: Simplify right side
    32,709.30x = 837,888,198.94
  5. Step 5: Solve for x
    x = 837,888,198.94/32,709.30
  6. Step 6: Final answer
    x = 25,616.21

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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.