Home / 20,835.25-31,253.90-6,045.32

Finding the Fourth Proportional to 20,835.25, 31,253.90 and 6,045.32

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Solution

The fourth proportional to 20,835.25, 31,253.90 and 6,045.32 is: 9,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835.25 : 31,253.90 = 6,045.32 : x
  2. Step 2: Convert to fraction form
    20,835.25/31,253.90 = 6,045.32/x
  3. Step 3: Cross multiply
    20,835.25x = 31,253.90 × 6,045.32
  4. Step 4: Simplify right side
    20,835.25x = 188,939,826.75
  5. Step 5: Solve for x
    x = 188,939,826.75/20,835.25
  6. Step 6: Final answer
    x = 9,068.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.