Home / 14,310.60-19,752.75-8,644.45

Finding the Fourth Proportional to 14,310.60, 19,752.75 and 8,644.45

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Solution

The fourth proportional to 14,310.60, 19,752.75 and 8,644.45 is: 11,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.60 : 19,752.75 = 8,644.45 : x
  2. Step 2: Convert to fraction form
    14,310.60/19,752.75 = 8,644.45/x
  3. Step 3: Cross multiply
    14,310.60x = 19,752.75 × 8,644.45
  4. Step 4: Simplify right side
    14,310.60x = 170,751,659.74
  5. Step 5: Solve for x
    x = 170,751,659.74/14,310.60
  6. Step 6: Final answer
    x = 11,931.83

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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.