Home / 13,923.67-19,214.70-8,261.23

Finding the Fourth Proportional to 13,923.67, 19,214.70 and 8,261.23

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Solution

The fourth proportional to 13,923.67, 19,214.70 and 8,261.23 is: 11,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.67 : 19,214.70 = 8,261.23 : x
  2. Step 2: Convert to fraction form
    13,923.67/19,214.70 = 8,261.23/x
  3. Step 3: Cross multiply
    13,923.67x = 19,214.70 × 8,261.23
  4. Step 4: Simplify right side
    13,923.67x = 158,737,056.08
  5. Step 5: Solve for x
    x = 158,737,056.08/13,923.67
  6. Step 6: Final answer
    x = 11,400.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.