Home / 19,862.10-29,793.15-19,667.70

Finding the Fourth Proportional to 19,862.10, 29,793.15 and 19,667.70

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Solution

The fourth proportional to 19,862.10, 29,793.15 and 19,667.70 is: 29,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.10 : 29,793.15 = 19,667.70 : x
  2. Step 2: Convert to fraction form
    19,862.10/29,793.15 = 19,667.70/x
  3. Step 3: Cross multiply
    19,862.10x = 29,793.15 × 19,667.70
  4. Step 4: Simplify right side
    19,862.10x = 585,962,736.26
  5. Step 5: Solve for x
    x = 585,962,736.26/19,862.10
  6. Step 6: Final answer
    x = 29,501.55

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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.