Home / 32,826.88-45,299.52-18,678.40

Finding the Fourth Proportional to 32,826.88, 45,299.52 and 18,678.40

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Solution

The fourth proportional to 32,826.88, 45,299.52 and 18,678.40 is: 25,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,826.88 : 45,299.52 = 18,678.40 : x
  2. Step 2: Convert to fraction form
    32,826.88/45,299.52 = 18,678.40/x
  3. Step 3: Cross multiply
    32,826.88x = 45,299.52 × 18,678.40
  4. Step 4: Simplify right side
    32,826.88x = 846,122,554.37
  5. Step 5: Solve for x
    x = 846,122,554.37/32,826.88
  6. Step 6: Final answer
    x = 25,775.30

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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.