Home / 32,709.36-45,140.01-18,371.72

Finding the Fourth Proportional to 32,709.36, 45,140.01 and 18,371.72

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Solution

The fourth proportional to 32,709.36, 45,140.01 and 18,371.72 is: 25,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.36 : 45,140.01 = 18,371.72 : x
  2. Step 2: Convert to fraction form
    32,709.36/45,140.01 = 18,371.72/x
  3. Step 3: Cross multiply
    32,709.36x = 45,140.01 × 18,371.72
  4. Step 4: Simplify right side
    32,709.36x = 829,299,611.73
  5. Step 5: Solve for x
    x = 829,299,611.73/32,709.36
  6. Step 6: Final answer
    x = 25,353.59

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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.