Home / 14,598.38-20,145.78-8,310.75

Finding the Fourth Proportional to 14,598.38, 20,145.78 and 8,310.75

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Solution

The fourth proportional to 14,598.38, 20,145.78 and 8,310.75 is: 11,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.38 : 20,145.78 = 8,310.75 : x
  2. Step 2: Convert to fraction form
    14,598.38/20,145.78 = 8,310.75/x
  3. Step 3: Cross multiply
    14,598.38x = 20,145.78 × 8,310.75
  4. Step 4: Simplify right side
    14,598.38x = 167,426,541.14
  5. Step 5: Solve for x
    x = 167,426,541.14/14,598.38
  6. Step 6: Final answer
    x = 11,468.85

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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.