Home / 28,264.98-38,997.67-18,199.25

Finding the Fourth Proportional to 28,264.98, 38,997.67 and 18,199.25

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Solution

The fourth proportional to 28,264.98, 38,997.67 and 18,199.25 is: 25,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.98 : 38,997.67 = 18,199.25 : x
  2. Step 2: Convert to fraction form
    28,264.98/38,997.67 = 18,199.25/x
  3. Step 3: Cross multiply
    28,264.98x = 38,997.67 × 18,199.25
  4. Step 4: Simplify right side
    28,264.98x = 709,728,059.76
  5. Step 5: Solve for x
    x = 709,728,059.76/28,264.98
  6. Step 6: Final answer
    x = 25,109.80

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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.