Home / 14,211.14-19,609.76-8,240.63

Finding the Fourth Proportional to 14,211.14, 19,609.76 and 8,240.63

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Solution

The fourth proportional to 14,211.14, 19,609.76 and 8,240.63 is: 11,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.14 : 19,609.76 = 8,240.63 : x
  2. Step 2: Convert to fraction form
    14,211.14/19,609.76 = 8,240.63/x
  3. Step 3: Cross multiply
    14,211.14x = 19,609.76 × 8,240.63
  4. Step 4: Simplify right side
    14,211.14x = 161,596,699.10
  5. Step 5: Solve for x
    x = 161,596,699.10/14,211.14
  6. Step 6: Final answer
    x = 11,371.13

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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.