Home / 14,905.38-20,568.38-8,934.06

Finding the Fourth Proportional to 14,905.38, 20,568.38 and 8,934.06

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Solution

The fourth proportional to 14,905.38, 20,568.38 and 8,934.06 is: 12,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.38 : 20,568.38 = 8,934.06 : x
  2. Step 2: Convert to fraction form
    14,905.38/20,568.38 = 8,934.06/x
  3. Step 3: Cross multiply
    14,905.38x = 20,568.38 × 8,934.06
  4. Step 4: Simplify right side
    14,905.38x = 183,759,141.02
  5. Step 5: Solve for x
    x = 183,759,141.02/14,905.38
  6. Step 6: Final answer
    x = 12,328.38

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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.