Home / 19,666.30-29,494.29-13,425.16

Finding the Fourth Proportional to 19,666.30, 29,494.29 and 13,425.16

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Solution

The fourth proportional to 19,666.30, 29,494.29 and 13,425.16 is: 20,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.30 : 29,494.29 = 13,425.16 : x
  2. Step 2: Convert to fraction form
    19,666.30/29,494.29 = 13,425.16/x
  3. Step 3: Cross multiply
    19,666.30x = 29,494.29 × 13,425.16
  4. Step 4: Simplify right side
    19,666.30x = 395,965,562.34
  5. Step 5: Solve for x
    x = 395,965,562.34/19,666.30
  6. Step 6: Final answer
    x = 20,134.22

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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.