Home / 32,865.56-45,351.90-18,715.64

Finding the Fourth Proportional to 32,865.56, 45,351.90 and 18,715.64

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Solution

The fourth proportional to 32,865.56, 45,351.90 and 18,715.64 is: 25,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,865.56 : 45,351.90 = 18,715.64 : x
  2. Step 2: Convert to fraction form
    32,865.56/45,351.90 = 18,715.64/x
  3. Step 3: Cross multiply
    32,865.56x = 45,351.90 × 18,715.64
  4. Step 4: Simplify right side
    32,865.56x = 848,789,833.72
  5. Step 5: Solve for x
    x = 848,789,833.72/32,865.56
  6. Step 6: Final answer
    x = 25,826.12

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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.