Home / 19,380.82-29,078.52-11,595.10

Finding the Fourth Proportional to 19,380.82, 29,078.52 and 11,595.10

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Solution

The fourth proportional to 19,380.82, 29,078.52 and 11,595.10 is: 17,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.82 : 29,078.52 = 11,595.10 : x
  2. Step 2: Convert to fraction form
    19,380.82/29,078.52 = 11,595.10/x
  3. Step 3: Cross multiply
    19,380.82x = 29,078.52 × 11,595.10
  4. Step 4: Simplify right side
    19,380.82x = 337,168,347.25
  5. Step 5: Solve for x
    x = 337,168,347.25/19,380.82
  6. Step 6: Final answer
    x = 17,397.01

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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.