Home / 20,567.31-30,844.58-7,417.97

Finding the Fourth Proportional to 20,567.31, 30,844.58 and 7,417.97

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Solution

The fourth proportional to 20,567.31, 30,844.58 and 7,417.97 is: 11,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.31 : 30,844.58 = 7,417.97 : x
  2. Step 2: Convert to fraction form
    20,567.31/30,844.58 = 7,417.97/x
  3. Step 3: Cross multiply
    20,567.31x = 30,844.58 × 7,417.97
  4. Step 4: Simplify right side
    20,567.31x = 228,804,093.46
  5. Step 5: Solve for x
    x = 228,804,093.46/20,567.31
  6. Step 6: Final answer
    x = 11,124.65

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1.5x scale

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.