Home / 14,866.48-20,515.44-9,199.72

Finding the Fourth Proportional to 14,866.48, 20,515.44 and 9,199.72

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Solution

The fourth proportional to 14,866.48, 20,515.44 and 9,199.72 is: 12,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.48 : 20,515.44 = 9,199.72 : x
  2. Step 2: Convert to fraction form
    14,866.48/20,515.44 = 9,199.72/x
  3. Step 3: Cross multiply
    14,866.48x = 20,515.44 × 9,199.72
  4. Step 4: Simplify right side
    14,866.48x = 188,736,257.68
  5. Step 5: Solve for x
    x = 188,736,257.68/14,866.48
  6. Step 6: Final answer
    x = 12,695.42

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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.