Home / 14,208.21-19,613.75-10,424.70

Finding the Fourth Proportional to 14,208.21, 19,613.75 and 10,424.70

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Solution

The fourth proportional to 14,208.21, 19,613.75 and 10,424.70 is: 14,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.21 : 19,613.75 = 10,424.70 : x
  2. Step 2: Convert to fraction form
    14,208.21/19,613.75 = 10,424.70/x
  3. Step 3: Cross multiply
    14,208.21x = 19,613.75 × 10,424.70
  4. Step 4: Simplify right side
    14,208.21x = 204,467,407.50
  5. Step 5: Solve for x
    x = 204,467,407.50/14,208.21
  6. Step 6: Final answer
    x = 14,390.79

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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.