Home / 22,086.96-30,479.13-12,653.70

Finding the Fourth Proportional to 22,086.96, 30,479.13 and 12,653.70

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Solution

The fourth proportional to 22,086.96, 30,479.13 and 12,653.70 is: 17,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,086.96 : 30,479.13 = 12,653.70 : x
  2. Step 2: Convert to fraction form
    22,086.96/30,479.13 = 12,653.70/x
  3. Step 3: Cross multiply
    22,086.96x = 30,479.13 × 12,653.70
  4. Step 4: Simplify right side
    22,086.96x = 385,673,767.28
  5. Step 5: Solve for x
    x = 385,673,767.28/22,086.96
  6. Step 6: Final answer
    x = 17,461.60

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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.