Home / 17,984.21-24,821.45-11,275.65

Finding the Fourth Proportional to 17,984.21, 24,821.45 and 11,275.65

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Solution

The fourth proportional to 17,984.21, 24,821.45 and 11,275.65 is: 15,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.21 : 24,821.45 = 11,275.65 : x
  2. Step 2: Convert to fraction form
    17,984.21/24,821.45 = 11,275.65/x
  3. Step 3: Cross multiply
    17,984.21x = 24,821.45 × 11,275.65
  4. Step 4: Simplify right side
    17,984.21x = 279,877,926.31
  5. Step 5: Solve for x
    x = 279,877,926.31/17,984.21
  6. Step 6: Final answer
    x = 15,562.43

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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.