Home / 14,530.38-20,048.65-8,562.61

Finding the Fourth Proportional to 14,530.38, 20,048.65 and 8,562.61

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Solution

The fourth proportional to 14,530.38, 20,048.65 and 8,562.61 is: 11,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.38 : 20,048.65 = 8,562.61 : x
  2. Step 2: Convert to fraction form
    14,530.38/20,048.65 = 8,562.61/x
  3. Step 3: Cross multiply
    14,530.38x = 20,048.65 × 8,562.61
  4. Step 4: Simplify right side
    14,530.38x = 171,668,670.73
  5. Step 5: Solve for x
    x = 171,668,670.73/14,530.38
  6. Step 6: Final answer
    x = 11,814.47

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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.