Home / 12,875.88-19,323.60-9,422.04

Finding the Fourth Proportional to 12,875.88, 19,323.60 and 9,422.04

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Solution

The fourth proportional to 12,875.88, 19,323.60 and 9,422.04 is: 14,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.88 : 19,323.60 = 9,422.04 : x
  2. Step 2: Convert to fraction form
    12,875.88/19,323.60 = 9,422.04/x
  3. Step 3: Cross multiply
    12,875.88x = 19,323.60 × 9,422.04
  4. Step 4: Simplify right side
    12,875.88x = 182,067,732.14
  5. Step 5: Solve for x
    x = 182,067,732.14/12,875.88
  6. Step 6: Final answer
    x = 14,140.22

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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.