Home / 14,455.46-19,950.39-8,487.65

Finding the Fourth Proportional to 14,455.46, 19,950.39 and 8,487.65

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Solution

The fourth proportional to 14,455.46, 19,950.39 and 8,487.65 is: 11,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.46 : 19,950.39 = 8,487.65 : x
  2. Step 2: Convert to fraction form
    14,455.46/19,950.39 = 8,487.65/x
  3. Step 3: Cross multiply
    14,455.46x = 19,950.39 × 8,487.65
  4. Step 4: Simplify right side
    14,455.46x = 169,331,927.68
  5. Step 5: Solve for x
    x = 169,331,927.68/14,455.46
  6. Step 6: Final answer
    x = 11,714.05

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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.