Home / 39,657.98-59,474.82-13,355.66

Finding the Fourth Proportional to 39,657.98, 59,474.82 and 13,355.66

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Solution

The fourth proportional to 39,657.98, 59,474.82 and 13,355.66 is: 20,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.98 : 59,474.82 = 13,355.66 : x
  2. Step 2: Convert to fraction form
    39,657.98/59,474.82 = 13,355.66/x
  3. Step 3: Cross multiply
    39,657.98x = 59,474.82 × 13,355.66
  4. Step 4: Simplify right side
    39,657.98x = 794,325,474.48
  5. Step 5: Solve for x
    x = 794,325,474.48/39,657.98
  6. Step 6: Final answer
    x = 20,029.40

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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.