Home / 14,986.34-22,479.51-8,412.38

Finding the Fourth Proportional to 14,986.34, 22,479.51 and 8,412.38

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Solution

The fourth proportional to 14,986.34, 22,479.51 and 8,412.38 is: 12,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.34 : 22,479.51 = 8,412.38 : x
  2. Step 2: Convert to fraction form
    14,986.34/22,479.51 = 8,412.38/x
  3. Step 3: Cross multiply
    14,986.34x = 22,479.51 × 8,412.38
  4. Step 4: Simplify right side
    14,986.34x = 189,106,180.33
  5. Step 5: Solve for x
    x = 189,106,180.33/14,986.34
  6. Step 6: Final answer
    x = 12,618.57

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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.