Home / 14,538.24-20,061.28-8,165.54

Finding the Fourth Proportional to 14,538.24, 20,061.28 and 8,165.54

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Solution

The fourth proportional to 14,538.24, 20,061.28 and 8,165.54 is: 11,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.24 : 20,061.28 = 8,165.54 : x
  2. Step 2: Convert to fraction form
    14,538.24/20,061.28 = 8,165.54/x
  3. Step 3: Cross multiply
    14,538.24x = 20,061.28 × 8,165.54
  4. Step 4: Simplify right side
    14,538.24x = 163,811,184.29
  5. Step 5: Solve for x
    x = 163,811,184.29/14,538.24
  6. Step 6: Final answer
    x = 11,267.61

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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.