Home / 18,211.02-25,131.13-10,253.26

Finding the Fourth Proportional to 18,211.02, 25,131.13 and 10,253.26

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Solution

The fourth proportional to 18,211.02, 25,131.13 and 10,253.26 is: 14,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.02 : 25,131.13 = 10,253.26 : x
  2. Step 2: Convert to fraction form
    18,211.02/25,131.13 = 10,253.26/x
  3. Step 3: Cross multiply
    18,211.02x = 25,131.13 × 10,253.26
  4. Step 4: Simplify right side
    18,211.02x = 257,676,009.98
  5. Step 5: Solve for x
    x = 257,676,009.98/18,211.02
  6. Step 6: Final answer
    x = 14,149.46

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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.