Home / 14,826.38-20,461.01-8,538.75

Finding the Fourth Proportional to 14,826.38, 20,461.01 and 8,538.75

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Solution

The fourth proportional to 14,826.38, 20,461.01 and 8,538.75 is: 11,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.38 : 20,461.01 = 8,538.75 : x
  2. Step 2: Convert to fraction form
    14,826.38/20,461.01 = 8,538.75/x
  3. Step 3: Cross multiply
    14,826.38x = 20,461.01 × 8,538.75
  4. Step 4: Simplify right side
    14,826.38x = 174,711,406.44
  5. Step 5: Solve for x
    x = 174,711,406.44/14,826.38
  6. Step 6: Final answer
    x = 11,783.82

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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.