Home / 36,400.55-54,609.01-14,220.25

Finding the Fourth Proportional to 36,400.55, 54,609.01 and 14,220.25

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Solution

The fourth proportional to 36,400.55, 54,609.01 and 14,220.25 is: 21,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.55 : 54,609.01 = 14,220.25 : x
  2. Step 2: Convert to fraction form
    36,400.55/54,609.01 = 14,220.25/x
  3. Step 3: Cross multiply
    36,400.55x = 54,609.01 × 14,220.25
  4. Step 4: Simplify right side
    36,400.55x = 776,553,602.38
  5. Step 5: Solve for x
    x = 776,553,602.38/36,400.55
  6. Step 6: Final answer
    x = 21,333.57

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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.