Home / 19,456.61-29,023.70-18,883.04

Finding the Fourth Proportional to 19,456.61, 29,023.70 and 18,883.04

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Solution

The fourth proportional to 19,456.61, 29,023.70 and 18,883.04 is: 28,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.61 : 29,023.70 = 18,883.04 : x
  2. Step 2: Convert to fraction form
    19,456.61/29,023.70 = 18,883.04/x
  3. Step 3: Cross multiply
    19,456.61x = 29,023.70 × 18,883.04
  4. Step 4: Simplify right side
    19,456.61x = 548,055,717.12
  5. Step 5: Solve for x
    x = 548,055,717.12/19,456.61
  6. Step 6: Final answer
    x = 28,168.09

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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.