Home / 17,918.21-24,738.20-11,547.05

Finding the Fourth Proportional to 17,918.21, 24,738.20 and 11,547.05

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Solution

The fourth proportional to 17,918.21, 24,738.20 and 11,547.05 is: 15,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.21 : 24,738.20 = 11,547.05 : x
  2. Step 2: Convert to fraction form
    17,918.21/24,738.20 = 11,547.05/x
  3. Step 3: Cross multiply
    17,918.21x = 24,738.20 × 11,547.05
  4. Step 4: Simplify right side
    17,918.21x = 285,653,232.31
  5. Step 5: Solve for x
    x = 285,653,232.31/17,918.21
  6. Step 6: Final answer
    x = 15,942.06

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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.