Home / 19,422.18-29,059.38-12,008.22

Finding the Fourth Proportional to 19,422.18, 29,059.38 and 12,008.22

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Solution

The fourth proportional to 19,422.18, 29,059.38 and 12,008.22 is: 17,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.18 : 29,059.38 = 12,008.22 : x
  2. Step 2: Convert to fraction form
    19,422.18/29,059.38 = 12,008.22/x
  3. Step 3: Cross multiply
    19,422.18x = 29,059.38 × 12,008.22
  4. Step 4: Simplify right side
    19,422.18x = 348,951,428.10
  5. Step 5: Solve for x
    x = 348,951,428.10/19,422.18
  6. Step 6: Final answer
    x = 17,966.65

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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.