Home / 22,329.96-30,814.92-12,258.06

Finding the Fourth Proportional to 22,329.96, 30,814.92 and 12,258.06

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Solution

The fourth proportional to 22,329.96, 30,814.92 and 12,258.06 is: 16,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.96 : 30,814.92 = 12,258.06 : x
  2. Step 2: Convert to fraction form
    22,329.96/30,814.92 = 12,258.06/x
  3. Step 3: Cross multiply
    22,329.96x = 30,814.92 × 12,258.06
  4. Step 4: Simplify right side
    22,329.96x = 377,731,138.26
  5. Step 5: Solve for x
    x = 377,731,138.26/22,329.96
  6. Step 6: Final answer
    x = 16,915.89

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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.