Home / 14,190.98-19,441.74-13,658.93

Finding the Fourth Proportional to 14,190.98, 19,441.74 and 13,658.93

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Solution

The fourth proportional to 14,190.98, 19,441.74 and 13,658.93 is: 18,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.98 : 19,441.74 = 13,658.93 : x
  2. Step 2: Convert to fraction form
    14,190.98/19,441.74 = 13,658.93/x
  3. Step 3: Cross multiply
    14,190.98x = 19,441.74 × 13,658.93
  4. Step 4: Simplify right side
    14,190.98x = 265,553,268.53
  5. Step 5: Solve for x
    x = 265,553,268.53/14,190.98
  6. Step 6: Final answer
    x = 18,712.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.