Home / 15,218.58-22,766.94-13,160.82

Finding the Fourth Proportional to 15,218.58, 22,766.94 and 13,160.82

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Solution

The fourth proportional to 15,218.58, 22,766.94 and 13,160.82 is: 19,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.58 : 22,766.94 = 13,160.82 : x
  2. Step 2: Convert to fraction form
    15,218.58/22,766.94 = 13,160.82/x
  3. Step 3: Cross multiply
    15,218.58x = 22,766.94 × 13,160.82
  4. Step 4: Simplify right side
    15,218.58x = 299,631,599.29
  5. Step 5: Solve for x
    x = 299,631,599.29/15,218.58
  6. Step 6: Final answer
    x = 19,688.54

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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.