Home / 19,458.61-29,026.68-18,885.04

Finding the Fourth Proportional to 19,458.61, 29,026.68 and 18,885.04

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Solution

The fourth proportional to 19,458.61, 29,026.68 and 18,885.04 is: 28,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.61 : 29,026.68 = 18,885.04 : x
  2. Step 2: Convert to fraction form
    19,458.61/29,026.68 = 18,885.04/x
  3. Step 3: Cross multiply
    19,458.61x = 29,026.68 × 18,885.04
  4. Step 4: Simplify right side
    19,458.61x = 548,170,012.87
  5. Step 5: Solve for x
    x = 548,170,012.87/19,458.61
  6. Step 6: Final answer
    x = 28,171.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.