Home / 15,875.46-21,904.31-9,067.75

Finding the Fourth Proportional to 15,875.46, 21,904.31 and 9,067.75

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Solution

The fourth proportional to 15,875.46, 21,904.31 and 9,067.75 is: 12,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.46 : 21,904.31 = 9,067.75 : x
  2. Step 2: Convert to fraction form
    15,875.46/21,904.31 = 9,067.75/x
  3. Step 3: Cross multiply
    15,875.46x = 21,904.31 × 9,067.75
  4. Step 4: Simplify right side
    15,875.46x = 198,622,774.91
  5. Step 5: Solve for x
    x = 198,622,774.91/15,875.46
  6. Step 6: Final answer
    x = 12,511.31

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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.