Home / 17,851.97-24,579.54-15,157.87

Finding the Fourth Proportional to 17,851.97, 24,579.54 and 15,157.87

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Solution

The fourth proportional to 17,851.97, 24,579.54 and 15,157.87 is: 20,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.97 : 24,579.54 = 15,157.87 : x
  2. Step 2: Convert to fraction form
    17,851.97/24,579.54 = 15,157.87/x
  3. Step 3: Cross multiply
    17,851.97x = 24,579.54 × 15,157.87
  4. Step 4: Simplify right side
    17,851.97x = 372,573,410.53
  5. Step 5: Solve for x
    x = 372,573,410.53/17,851.97
  6. Step 6: Final answer
    x = 20,870.15

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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.