Home / 25,520.67-35,220.12-14,190.26

Finding the Fourth Proportional to 25,520.67, 35,220.12 and 14,190.26

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Solution

The fourth proportional to 25,520.67, 35,220.12 and 14,190.26 is: 19,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.67 : 35,220.12 = 14,190.26 : x
  2. Step 2: Convert to fraction form
    25,520.67/35,220.12 = 14,190.26/x
  3. Step 3: Cross multiply
    25,520.67x = 35,220.12 × 14,190.26
  4. Step 4: Simplify right side
    25,520.67x = 499,782,430.72
  5. Step 5: Solve for x
    x = 499,782,430.72/25,520.67
  6. Step 6: Final answer
    x = 19,583.44

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Half scale
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Double scale
Find fourth proportional to 25,521.67, 35,221.50 and 14,191.26
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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.