Home / 26,153.90-39,221.35-14,316.42

Finding the Fourth Proportional to 26,153.90, 39,221.35 and 14,316.42

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Solution

The fourth proportional to 26,153.90, 39,221.35 and 14,316.42 is: 21,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,153.90 : 39,221.35 = 14,316.42 : x
  2. Step 2: Convert to fraction form
    26,153.90/39,221.35 = 14,316.42/x
  3. Step 3: Cross multiply
    26,153.90x = 39,221.35 × 14,316.42
  4. Step 4: Simplify right side
    26,153.90x = 561,509,136.70
  5. Step 5: Solve for x
    x = 561,509,136.70/26,153.90
  6. Step 6: Final answer
    x = 21,469.42

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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.