Home / 18,663.02-25,755.28-10,279.52

Finding the Fourth Proportional to 18,663.02, 25,755.28 and 10,279.52

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Solution

The fourth proportional to 18,663.02, 25,755.28 and 10,279.52 is: 14,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.02 : 25,755.28 = 10,279.52 : x
  2. Step 2: Convert to fraction form
    18,663.02/25,755.28 = 10,279.52/x
  3. Step 3: Cross multiply
    18,663.02x = 25,755.28 × 10,279.52
  4. Step 4: Simplify right side
    18,663.02x = 264,751,915.87
  5. Step 5: Solve for x
    x = 264,751,915.87/18,663.02
  6. Step 6: Final answer
    x = 14,185.91

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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.