Home / 18,181.28-25,090.02-10,223.48

Finding the Fourth Proportional to 18,181.28, 25,090.02 and 10,223.48

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Solution

The fourth proportional to 18,181.28, 25,090.02 and 10,223.48 is: 14,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.28 : 25,090.02 = 10,223.48 : x
  2. Step 2: Convert to fraction form
    18,181.28/25,090.02 = 10,223.48/x
  3. Step 3: Cross multiply
    18,181.28x = 25,090.02 × 10,223.48
  4. Step 4: Simplify right side
    18,181.28x = 256,507,317.67
  5. Step 5: Solve for x
    x = 256,507,317.67/18,181.28
  6. Step 6: Final answer
    x = 14,108.32

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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.