Home / 18,176.68-25,090.86-11,460.88

Finding the Fourth Proportional to 18,176.68, 25,090.86 and 11,460.88

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Solution

The fourth proportional to 18,176.68, 25,090.86 and 11,460.88 is: 15,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.68 : 25,090.86 = 11,460.88 : x
  2. Step 2: Convert to fraction form
    18,176.68/25,090.86 = 11,460.88/x
  3. Step 3: Cross multiply
    18,176.68x = 25,090.86 × 11,460.88
  4. Step 4: Simplify right side
    18,176.68x = 287,563,335.56
  5. Step 5: Solve for x
    x = 287,563,335.56/18,176.68
  6. Step 6: Final answer
    x = 15,820.45

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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.