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Finding the Fourth Proportional to 15,293.84, 22,921.42 and 8,723.74

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Solution

The fourth proportional to 15,293.84, 22,921.42 and 8,723.74 is: 13,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.84 : 22,921.42 = 8,723.74 : x
  2. Step 2: Convert to fraction form
    15,293.84/22,921.42 = 8,723.74/x
  3. Step 3: Cross multiply
    15,293.84x = 22,921.42 × 8,723.74
  4. Step 4: Simplify right side
    15,293.84x = 199,960,508.51
  5. Step 5: Solve for x
    x = 199,960,508.51/15,293.84
  6. Step 6: Final answer
    x = 13,074.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.