Home / 14,870.18-20,519.36-8,584.58

Finding the Fourth Proportional to 14,870.18, 20,519.36 and 8,584.58

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Solution

The fourth proportional to 14,870.18, 20,519.36 and 8,584.58 is: 11,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.18 : 20,519.36 = 8,584.58 : x
  2. Step 2: Convert to fraction form
    14,870.18/20,519.36 = 8,584.58/x
  3. Step 3: Cross multiply
    14,870.18x = 20,519.36 × 8,584.58
  4. Step 4: Simplify right side
    14,870.18x = 176,150,087.47
  5. Step 5: Solve for x
    x = 176,150,087.47/14,870.18
  6. Step 6: Final answer
    x = 11,845.86

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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.